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In order to leave the Solar System, the probe needs to reach the local escape velocity. Escape velocity from the sun without the influence of Earth is 42.1 km/s. In order to reach this speed, it is highly advantageous to use as a boost the orbital speed of the Earth around the Sun, which is 29.78 km/s.
List of Solar System probes. List of active Solar System probes; List of space telescopes; Category:Lists of satellites orbiting Earth; List of extraterrestrial orbiters. List of artificial objects in heliocentric orbit, those that orbit the Sun; List of landings on extraterrestrial bodies
Object Mass Owner Landing Location Ref. 67P/Churyumov–Gerasimenko: Philae: 100 kg (220 lb) ESA/DLR: 12 November 2014 "Abydos" Rosetta: 1,230 kg (2,710 lb) ESA 30 September 2016 "Sais" 433 Eros: NEAR Shoemaker: 487 kg (1,074 lb) NASA/APL: 12 February 2001: South of Himeros crater [1] 25143 Itokawa: Hayabusa target marker 0.6 kg (1.3 lb ...
Solar System space probes operational as of November 2024. This is a list of active space probes which have escaped Earth orbit. It includes lunar space probes, but does not include space probes orbiting at the Sun–Earth Lagrangian points (for these, see List of objects at Lagrangian points). A craft is deemed "active" if it is still able to ...
Below is a list of artificial objects currently in heliocentric orbit. This list does not include upper stages from robotic missions (only the S-IVB upper stages from Apollo missions with astronauts are listed), objects in the Sun–Earth Lagrange points or objects that are escaping from the Solar System .
A unique cooling system designed by the Applied Physics Laboratory pumps water through the craft’s solar arrays to keep them at a steady temperature of 320 F (160 C), even during close ...
first probe to cross the asteroid belt; first Jupiter probe; first man-made object on an interstellar trajectory; now in the outer regions of the Solar System but no longer contactable 1972-012A: Pioneer 11: NASA: 4 December 1974 flyby success went on to visit Saturn 1973-019A: Voyager 1: NASA: 5 March 1979 flyby success went on to visit Saturn ...
After the original mission ended, it was commanded to leave L 1 in September 1982 in order to investigate comets and the Sun. [21] Now in a heliocentric orbit, an unsuccessful attempt to return to halo orbit was made in 2014 when it made a flyby of the Earth–Moon system. [22] [23] Advanced Composition Explorer (ACE) Sun–Earth L 1: NASA ...