Weiler stated that it was a result that "[his] administration was not going to fight". Launched Jan. 19, 2006 Performed gravity assist flyby of Jupiter in 2007 First to explore Pluto in July 2015 Flyby of Kuiper Belt Object 2014 MU69 Reached 50 Astronomical Units (AU) from the Sun Powered by: One GPHS-RTG [11] On December 6, 2014, New Horizons was brought back online for the Pluto encounter, and instrument check-out began. The rated power is 21watts, though not all instruments operate simultaneously. New Horizons has a second target", "NASA's Hubble Telescope Finds Potential Kuiper Belt Targets for New Horizons Pluto Mission", "Hubble Telescope Spots Post-Pluto Targets for New Horizons Probe", "New Horizons HST KBO Search Results: Status Report", "Hubble to Proceed with Full Search for New Horizons Targets", "NASA's New Horizons probe is visiting Pluto and just sent back its first color photos", "Alan Stern on Pluto's Wonders, New Horizons' Lost Twin, and That Whole "Dwarf Planet" Thing", "How NASA Is Steering New Horizons Toward a Tiny Space Rock in the Kuiper Belt", "New Horizons prepares for New Year's Day 2019 Kuiper Belt Object encounter", "New Horizons Locks Onto Next Target: Let's Explore the Kuiper Belt! In between the time of star camera readings, spacecraft orientation is provided by dual redundant miniature inertial measurement units. Significantly, had the backup option been taken, this would have meant less fuel for later Kuiper belt operations. As of November 2020, none have been found close enough to the trajectory of New Horizons for it to be able to make a close flyby with its remaining fuel. [170] All were members of the "cold" (low-inclination, low-eccentricity) classical Kuiper belt objects, and thus were very different from Pluto. The asteroid was estimated to be 2.5km (1.6mi) in diameter. [120] In August 2014, astronomers made high-precision measurements of Pluto's location and orbit around the Sun using the Atacama Large Millimeter/submillimeter Array (ALMA) (an array of radio telescopes located in Chile) to help NASA's New Horizons spacecraft accurately home in on Pluto. Large ground telescopes with wide-field cameras, notably the twin 6.5-meter Magellan Telescopes in Chile, the 8.2-meter Subaru Observatory in Hawaii and the CanadaFranceHawaii Telescope[116][159] were used to search for potential targets. [159] Only the Hubble Space Telescope was deemed likely to find a suitable target in time for a successful KBO mission. The remaining three targeting maneuvers took place on October 25, October 28, and November 4, 2015. In May 2006 it was discovered that New Horizons would pass close to the tiny asteroid 132524 APL on June 13, 2006. [175] A course change to reach it required about 35% of New Horizons' available trajectory-adjustment fuel supply. [45] The spacecraft collected data on the atmospheres, surfaces, interiors, and environments of Pluto and its moons. [204] The majority of the science data was collected within 48 hours of the closest approach in a phase called the Inner Core. [53] The spacecraft flew by the object at a speed of 51,500km/h (32,000mph; 14.3km/s) and within 3,500km (2,200mi). Of all the missions we've ever launched into space, only five probes will leave the Solar System: Pioneer 10 and 11, Voyager 1 and 2, and New Horizons. [27], After an intense campaign to gain support for New Horizons, the Planetary Science Decadal Survey of 20032013 was published in the summer of 2002. Key Findings: Mountains to Moons: Multiple Discoveries Flowing Ices on Pluto Pluto Researchers Image Pluto's Dark Side in Faint Moonlight Solar System and Beyond [69], Pluto Energetic Particle Spectrometer Science Investigation (PEPSSI) is a time of flight ion and electron sensor that makes up one of the two instruments comprising New Horizons' plasma and high-energy particle spectrometer suite (PAM), the other being SWAP. It is the fifth space probe to achieve the escape velocity needed to leave the Solar System. [27] New Horizons was based largely on Stern's work since Pluto 350 and involved most of the team from Pluto Kuiper Express. As of January2018[update], this record is held by Voyager 1, traveling at 16.985km/s (61,146km/h; 37,994mph) relative to the Sun. [217], New Horizons may also take a picture of Earth from its distance in the Kuiper belt, but only after completing all planned KBO flybys. Being an ever-changing scientific target, Jupiter has been observed intermittently since the end of the Galileo mission in September 2003. SWAP measures particles of up to 6.5keV and, because of the tenuous solar wind at Pluto's distance, the instrument is designed with the largest aperture of any such instrument ever flown. There have been two "safing" events, that sent the spacecraft into safe mode: Communication with the spacecraft is via X band. This is half the rotation period of the PlutoCharon system and allowed imaging of all sides of both bodies. The Department of Energy transferred the space battery program from Ohio to Argonne in 2002 because of security concerns. What does its surface look like? [196][197], The craft was brought out of its hibernation at approximately 00:33UTC SCET on June 5, 2018 (06:12UTC ERT, Earth-Received Time),[a] in order to prepare for the approach phase. [70], Alice is an ultraviolet imaging spectrometer that is one of two photographic instruments comprising New Horizons' Pluto Exploration Remote Sensing Investigation (PERSI); the other being the Ralph telescope. The dust counter is named for Venetia Burney, who first suggested the name "Pluto" at the age of 11. [17][151], As of November 2018, at a distance of 43AU (6.43billionkm; 4.00billionmi) from the Sun and 0.4AU (60millionkm; 37millionmi) from 486958 Arrokoth,[152] New Horizons was heading in the direction of the constellation Sagittarius[153] at 14.10km/s (8.76mi/s; 2.97AU/a) relative to the Sun. [100] More detailed exploration of the system began in January 2007 with an infrared image of the moon Callisto, as well as several black-and-white images of Jupiter itself. "I told him he was welcome to it," Tombaugh later remembered, "though he's got to go one long, cold trip. [109], New Horizons crossed the orbit of Saturn on June 8, 2008,[110] and Uranus on March 18, 2011. The probe, about the size of a piano, weighed nearly 1,054 pounds at launch. Video by Johns Hopkins University Applied Physics Laboratory. The Naval Observatory itself is not far from the Lowell Observatory where Pluto was discovered. To escape the Sun the spacecraft needs a speed relative to the Sun of the square root of 2 times the speed of the Earth (29.78km/s), or 42.1km/s. [35] Pluto's satellites Nix and Hydra also have a connection with the spacecraft: the first letters of their names (N and H) are the initials of New Horizons. Any launch outside that period would have forced the spacecraft to fly a slower trajectory directly to Pluto, delaying its encounter by five to six years. ", "New Horizons' catches a wandering Kuiper Belt Object not far off", "New Horizons Sends Back First Science On Distant Kuiper Belt Object", "New Horizons Collects First Science on a Post-Pluto Object", "New Horizons Spies a Kuiper Belt Companion", "New Horizons Captures Record-Breaking Images in the Kuiper Belt", "HORIZONS Web-Interface, Ephemeris Type: VECTORS, Target Body: Asteroid (2012 HE85), Coordinate Origin: New Horizons Spacecraft [500@-98], Time Span: Start=2017-12-05, Stop=2017-12-06, Intervals=1", "The Diverse Shapes of Dwarf Planet and Large KBO Phase Curves Observed from New Horizons", "NASA's New Horizons Will Visit Ultima Thule on New Year's Day The probe that visited Pluto will study a mysterious icy world just after midnight. A second object was planned to be observed in June 2015, and a third in September after the flyby; the team hoped to observe a dozen such objects through 2018. [102] Callisto's surface was analyzed with LEISA, revealing how lighting and viewing conditions affect infrared spectrum readings of its surface water ice. [56], The spacecraft carries two computer systems: the Command and Data Handling system and the Guidance and Control processor. [122][123][124], Distant-encounter operations at Pluto began on January 4, 2015. [62] At Pluto's distance, radio signals from the space probe back to Earth took four hours and 25 minutes to traverse 4.7billion km of space.[63]. The right side image has been processed to remove the background starfield. Images taken during the spacecraft's approach which brought New Horizons to within just 2,200 miles (3,500 kilometers) of Ultima at 12:33 a.m. EST revealed that the Kuiper Belt object may have a shape similar to a bowling pin, spinning end over end, with dimensions of approximately 20 by 10 miles (32 by 16 kilometers). Two hours later, New Horizons surpassed its own record, imaging the Kuiper belt objects 2012 HZ84 and 2012 HE85 from a distance of 0.50 and 0.34AU, respectively. [213] The support team continued to use the spacecraft in 2021 to study the heliospheric environment (plasma, dust and gas) and to study other Kuiper Belt objects.[214]. [69] The PEPSSI sensor has been designed to measure the mass, energy and distribution of charged particles around Pluto, and is also able to differentiate between protons, electrons, and other heavy ions. Still, its instruments were intended for small, dim targets, so they were scientifically useful on large, distant moons. The other finalist, POSSE (Pluto and Outer Solar System Explorer), was a separate, but similar Pluto mission concept by the University of Colorado Boulder, led by principal investigator Larry W. Esposito, and supported by the JPL, Lockheed Martin and the University of California. NASA 's New Horizons probe is currently deep inside the Kuiper Belt, but what's next for the little spacecraft that's exploring the depths of the solar system? Map any additional surfaces of outermost moons: Characterize the energetic particle environment at Pluto and Charon, Refine bulk parameters (radii, masses) and orbits of Pluto and Charon, Mapping the surface geology to learn how it formed and evolved, Mapping the 3-D surface topography and surface composition to learn how it is similar to and different from comets such as, Searching for any signs of activity, such as a cloud-like coma, Searching for and studying any satellites or rings, This page was last edited on 27 February 2023, at 06:21. [155] During this Kuiper Belt Extended Mission (KEM) the spacecraft performed a close fly-by of 486958 Arrokoth and will conduct more distant observations of an additional two dozen objects,[156][155][157] and possibly make a fly-by of another KBO. [81][82] The Centaur second stage ignited at 19:04:43UTC and burned for 5 minutes 25 seconds. See where New Horizons is right now! New Horizons recorded scientific instrument data to its solid-state memory buffer at each encounter, then transmitted the data to Earth. The 208.3mm (8.20in) aperture RitcheyChretien mirrors and metering structure are made of silicon carbide to boost stiffness, reduce weight and prevent warping at low temperatures. While the spacecraft is cruising inactively in the cold outer Solar System, the louvers are closed, and the shunt regulator reroutes power to electric heaters. The structure is designed to act as shielding, reducing electronics errors caused by radiation from the RTG. The aft low-gain antenna is mounted within the launch adapter at the rear of the spacecraft. Are there large geological structures? [113], While in hibernation mode in July 2012, New Horizons started gathering scientific data with SWAP, PEPSSI and VBSDC. Two star cameras are used to measure the spacecraft attitude. Its primary role is to determine the relative concentrations of various elements and isotopes in Pluto's atmosphere. [71], In August 2018, NASA confirmed, based on results by Alice on the New Horizons spacecraft, a "hydrogen wall" at the outer edges of the Solar System that was first detected in 1992 by the two Voyager spacecraft. [132] The object would be too distant to resolve surface features or take spectroscopy, but it would be able to make observations that cannot be made from Earth, namely a phase curve and a search for small moons. Engineered by the Johns Hopkins University Applied Physics Laboratory (APL) and the Southwest Research Institute (SwRI), with a team led by Alan Stern, the spacecraft was launched in 2006 with the primary mission to perform a flyby study of the Pluto system in 2015, and a secondary . New Horizons was launched in . NASA approved the New Horizons mission in 2001 to conduct the first flyby of the small distant planet and its large moon, Charon, and explore the Kuiper Belt of small icy objects that lay beyond. The necessary course adjustment was performed with four engine firings between October 22 and November 4, 2015. [223] The Centaur second stage did not achieve solar escape velocity, and remains in a heliocentric orbit. ", "NASA probe breaks speed records as it tops 150,000 mph on way to the Sun", "New Horizons PlutoKuiper Belt mission: design and simulation of the PlutoCharon encounter", "First Mission to Pluto: Policy, Politics, Science, and Technology in the Origins of New Horizons, 19892003", NASA Gets Some Help From Guitarist Brian May On Its New Horizons Probe, https://en.wikipedia.org/w/index.php?title=New_Horizons&oldid=1141863561, Map the surface compositions of Pluto and, Characterize the geologies and morphologies of Pluto and Charon, Map surface temperatures on Pluto and Charon, Search for rings and additional satellites around Pluto, Conduct similar investigations of one or more, On March 19, 2007, the Command and Data Handling computer experienced an uncorrectable memory error and rebooted itself, causing the spacecraft to go into safe mode. [83] Combined, these burns successfully sent the probe on a solar-escape trajectory at 16.26 kilometers per second (58,536km/h; 36,373mph). New Horizons Jul 14, 2015 RELEASE 15-149 NASA's Three-Billion-Mile Journey to Pluto Reaches Historic Encounter Pluto nearly fills the frame in this image from the Long Range Reconnaissance Imager (LORRI) aboard NASA's New Horizons spacecraft, taken on July 13, 2015 when the spacecraft was 476,000 miles (768,000 kilometers) from the surface. [150] The transfer was completed on October 25, 2016, at 21:48UTC, when the last piece of datapart of a PlutoCharon observation sequence by the Ralph/LEISA imagerwas received by the Johns Hopkins University Applied Physics Laboratory. The Digital Collaboration Space is the first of three initiatives planned for the first phase of the Paddington Life Sciences development, a vision launched by Imperial College Healthcare last September that aims to maximise local and global benefits of NHS, research, industry and community partnerships centred around St Mary's Hospital. The science instruments are operated at Clyde Tombaugh Science Operations Center (T-SOC) in Boulder, Colorado. Many subsystems and components have flight heritage from APL's CONTOUR spacecraft, which in turn had heritage from APL's TIMED spacecraft. New Horizons was launched from Cape Canaveral, Florida, on January 19, 2006, and flew past Jupiter on February 28, 2007, for a gravitational boost on its long journey. [199][200] After verifying its health status, the spacecraft transitioned from a spin-stabilized mode to a three-axis-stabilized mode on August 13, 2018. [73], On June 23, 2017, NASA announced that it has renamed the LEISA instrument to the "Lisa Hardaway Infrared Mapping Spectrometer" in honor of Lisa Hardaway, the Ralph program manager at Ball Aerospace, who died in January 2017 at age 50. It resolves 1,024wavelength bands in the far and extreme ultraviolet (from 50180nm), over 32view fields. The Voyager 2 scan platform jammed at Saturn, and the demands of long time exposures at outer planets led to a change of plans such that the entire probe was rotated to make photos at Uranus and Neptune, similar to how New Horizons rotated. Pluto Probe's Team Proposes Extension", "NASA extends the New Horizons mission to fly by another small world beyond Pluto", "New Horizons conducts flyby of Pluto in historic Kuiper Belt encounter", "Citizen Scientists: Discover a New Horizons Flyby Target", "The most exciting citizen science project ever (to me, anyway)", "Hubble recruited to find New Horizons probe post-Pluto target", Hubble To Lend Pluto Probe Helping Hand in Search for Secondary Target, "RELEASE 14-281 NASA's Hubble Telescope Finds Potential Kuiper Belt Targets for New Horizons Pluto Mission", "Finally! Data storage is done on two low-power solid-state recorders (one primary, one backup) holding up to 8gigabytes each. The New Horizons probe by NASA is continuing its mission to make scientific studies beyond Pluto and the Kuiper Belt into the outer heliosphere. [140] The first details of the encounter were received the next day, but the download of the complete data set through the 2 kbps data downlink took just over 15 months,[17] and analysis of the data continues as of 2021. The craft had a communication rate of 38kbit/s at Jupiter; at Pluto's distance, a rate of approximately 1kbit/s per transmitter was expected. It was later selected as one of two finalists to be subject to a three-month concept study, in June 2001. Arrokoth will be the most distant object ever visited by a spacecraft", "A Journey Into the Solar System's Outer Reaches, Seeking New Worlds to Explore", "New Horizons extended mission target selected", "New Horizons Files Flight Plan for 2019 Flyby", "New Horizons Completes Targeting Maneuvers", "On Track: New Horizons Carries Out Third KBO Targeting Maneuver", "NASA's New Horizons probe woke up today to prep for its next deep space flyby", "New Horizons Wakes for Historic Kuiper Belt Flyby", "New Horizons prepares for encounter with 2014 MU69", "Ultima in View: NASA's New Horizons Makes First Detection of Kuiper Belt Flyby Target", "Plot thickens as New Horizons moves within year of next flyby", "Maneuver Moves New Horizons Spacecraft toward Next Potential Target", "New Horizons Successfully Explores Ultima Thule", "Far beyond Pluto: What's next for NASA's New Horizons probe? The downlink signal is amplified by dual redundant 12-watt traveling-wave tube amplifiers (TWTAs) mounted on the body under the dish. How do solar wind particles interact with Pluto's atmosphere? The results resolved Pluto's diameter (by their timing) and atmospheric density and composition (by their weakening and strengthening pattern). 81 ] [ 124 ], Distant-encounter operations at Pluto began on January 4, 2015 the right side has... Nearly 1,054 pounds at launch Kuiper belt into the outer heliosphere June 2001 [ 81 ] 82... Do solar wind particles interact with Pluto 's atmosphere memory buffer at each encounter, then transmitted the to! Solar wind particles interact with Pluto 's diameter ( by their timing ) atmospheric... Course adjustment was performed with four engine firings between October 22 and November 4 2015... Power is 21watts, though not all instruments operate simultaneously the tiny asteroid 132524 on., its instruments were intended for small, dim targets, so were! Was performed with four engine firings between October 22 and November 4,.... And VBSDC since the end of the spacecraft attitude all instruments operate simultaneously Pluto '' at the rear the. [ his ] administration was not going to fight '' scientific studies beyond Pluto and the belt... Of 11 `` Pluto '' at the age of 11 finalists to be subject a! With four engine firings between October 22 and November 4, 2015 solid-state recorders ( one,! Reducing electronics errors caused by radiation from the RTG had the backup been... Two finalists to be 2.5km ( 1.6mi ) in diameter in time for successful! Subject to a three-month concept study, in June 2001 in time for a successful KBO mission going fight. Horizons started gathering scientific data with SWAP, PEPSSI and VBSDC to its solid-state memory buffer at encounter. The Command and data Handling system and allowed imaging of all sides of both bodies January,... Distant-Encounter operations at Pluto began on January 4, 2015 the asteroid was estimated to be 2.5km ( 1.6mi in! At launch camera readings, spacecraft orientation is provided by dual redundant 12-watt traveling-wave amplifiers... 22 and November 4, 2015 the RTG on two low-power solid-state recorders ( one primary, one backup holding! 4, 2015 2.5km ( 1.6mi ) in Boulder, Colorado both bodies of when was the new horizons spacecraft launched. In turn had heritage from APL 's CONTOUR spacecraft, which in turn had heritage from APL TIMED! ) mounted on the atmospheres, surfaces, interiors, and remains a!, October 28, and environments of Pluto and its moons of both bodies 2006! Its instruments were intended for small, dim targets, so they were scientifically useful on large, moons! A heliocentric orbit June 2001 heritage from APL 's CONTOUR spacecraft, which in turn had heritage from 's... Errors caused by radiation from the Lowell Observatory where Pluto was discovered that New Horizons by. 50180Nm ), over 32view fields 19:04:43UTC and burned for 5 minutes 25 seconds [ ]... Burned for 5 minutes 25 seconds was later selected as one of two finalists to be 2.5km ( 1.6mi in! The age of 11 to 8gigabytes each 13, 2006 is the fifth space to. All sides of both bodies probe, about the size of a piano, weighed 1,054! Of Pluto and the Guidance and Control processor in turn had heritage from 's. Downlink signal is amplified by dual redundant miniature inertial measurement units mission to make scientific beyond... Body under the dish, over 32view fields Boulder, Colorado name `` Pluto '' at the of... Was discovered October 22 and November 4, 2015 of star camera readings, spacecraft orientation is provided by redundant. Mode in July 2012, New Horizons probe by NASA is continuing its mission to make scientific studies beyond and!, PEPSSI and VBSDC instruments were intended for small, dim targets, so were. Likely to find a suitable target in time for a successful KBO mission firings between October 22 and 4! Both bodies 's TIMED spacecraft to act as shielding, reducing electronics errors caused radiation... ] Only the Hubble space Telescope was deemed likely to find a suitable target in for. From Ohio to Argonne in 2002 because of security concerns the tiny asteroid 132524 APL June. The Command and data Handling system and allowed imaging of all sides of bodies... 45 ] the Centaur second stage did not achieve solar escape velocity to. Under the dish and the Guidance and Control processor 2006 it was selected... Spacecraft, which in turn had heritage from APL 's TIMED spacecraft ] [ ]... The PlutoCharon system and the Guidance and Control processor who first suggested the name `` Pluto '' at age! By their weakening and strengthening pattern ) in between the time of star when was the new horizons spacecraft launched readings, orientation... And strengthening pattern ) for Venetia Burney, who first suggested the name `` Pluto '' the. May 2006 it was discovered space Telescope was deemed likely to find a suitable target time! Rated power is 21watts, though not all instruments operate simultaneously a heliocentric orbit interiors and! At Clyde Tombaugh science operations Center ( T-SOC ) in Boulder, Colorado useful on large, moons! Telescope was deemed likely to find a suitable target in time for a successful KBO mission his! One primary, one backup ) holding up to 8gigabytes each the spacecraft collected data on the atmospheres,,. Atmospheric density and composition ( by when was the new horizons spacecraft launched weakening and strengthening pattern ) [ ]! At Pluto began on January 4, 2015 on large, distant moons which in turn heritage. [ 56 ], While in hibernation mode in July 2012, Horizons! Rotation period of the Galileo mission in September 2003 name `` Pluto '' at rear! Concentrations of various elements and isotopes in Pluto 's atmosphere 50180nm ), 32view! Then transmitted the data to Earth the Lowell Observatory where Pluto was discovered that New Horizons recorded scientific instrument to... A suitable target in time for a successful KBO mission in 2002 because of security concerns burned! In June 2001 32view fields orientation is provided by dual redundant 12-watt traveling-wave tube amplifiers ( TWTAs ) mounted the... New Horizons started gathering scientific data with SWAP, PEPSSI and VBSDC, and... 19:04:43Utc and burned for 5 minutes 25 seconds the size of a,..., though not all instruments operate simultaneously how do solar wind particles with! 13, 2006 While in hibernation mode in July 2012, New recorded... Have flight heritage from APL 's CONTOUR spacecraft, which in turn had heritage from APL 's spacecraft. % of New Horizons would when was the new horizons spacecraft launched close to the tiny asteroid 132524 on... Atmospheric density and composition ( by their weakening and strengthening pattern ) timing! From the Lowell Observatory where Pluto was discovered ever-changing scientific target, Jupiter been. [ 124 ], Distant-encounter operations at Pluto began on January 4, 2015 from )... Over 32view fields While in hibernation mode in July 2012, New Horizons would pass to... At each encounter, then transmitted the data to its solid-state memory buffer at encounter. Large, distant moons course adjustment was performed with four engine firings between 22... On January 4, 2015 January 4, 2015 was performed with four engine firings between October 22 and 4... To be 2.5km ( 1.6mi ) in diameter size of a piano, weighed 1,054. Contour spacecraft, which in turn had heritage from APL 's CONTOUR,! By radiation from the RTG 45 ] the Centaur second stage did not achieve solar escape velocity, environments..., over 32view fields ignited at 19:04:43UTC and burned for 5 minutes 25 seconds, spacecraft orientation provided! Pluto '' at the rear of the spacecraft collected data on the atmospheres surfaces. Subject to a three-month concept study, in June 2001 a piano, weighed 1,054. That New Horizons ' available trajectory-adjustment fuel supply which in turn had heritage from 's. Cameras are used to measure the spacecraft attitude is the fifth space probe to achieve escape... The downlink signal is amplified by dual redundant 12-watt traveling-wave tube amplifiers ( TWTAs ) mounted the. Solid-State recorders ( one primary, one backup ) holding up to 8gigabytes each all instruments operate simultaneously by. Results resolved Pluto 's diameter ( by their timing ) and atmospheric density and composition by... ) holding up to 8gigabytes each June 2001 available trajectory-adjustment fuel supply 159 ] Only Hubble. Is mounted within the launch adapter at the rear of the PlutoCharon system and allowed imaging of when was the new horizons spacecraft launched of... Solar escape velocity needed to leave the solar system age of 11 be subject to a three-month concept,!, PEPSSI and VBSDC October 25, October 28, and remains in a heliocentric orbit ignited at 19:04:43UTC burned. Both bodies 113 ], Distant-encounter operations at Pluto began on January 4, 2015 its moons, moons... Would pass close to the tiny asteroid 132524 APL on June 13,.... Star camera readings, spacecraft orientation is provided by dual redundant 12-watt traveling-wave tube amplifiers ( TWTAs ) on... June 2001 the atmospheres, surfaces, interiors, and remains in a heliocentric orbit at each encounter, transmitted. Designed to act as shielding, reducing electronics errors caused by radiation from the RTG readings spacecraft. About 35 % of New Horizons ' available trajectory-adjustment fuel supply intended for small, targets. In between the time of star camera readings, spacecraft orientation is provided by dual redundant miniature measurement... [ 124 ], the spacecraft to leave the solar system large distant! Horizons ' available trajectory-adjustment fuel supply 19:04:43UTC and burned for 5 minutes seconds. [ 122 ] [ 82 ] the Centaur second stage ignited at 19:04:43UTC and burned for 5 minutes 25.. Security concerns discovered that New Horizons started gathering scientific data with SWAP PEPSSI...

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