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Orbits around the L 1 point are used by spacecraft that want a constant view of the Sun, such as the Solar and Heliospheric Observatory. Orbits around L 2 are used by missions that always want both Earth and the Sun behind them. This enables a single shield to block radiation from both Earth and the Sun, allowing passive cooling of sensitive ...
First lunar sample return mission from far side and south pole of Moon by China. Ascent stage was be deorbited on 6 June 2024. Capsule was be returned sample via service module on 25 June 2024. [12] ICUBE-Q: Pakistan 8 May 2024 On a Selenocentric orbit: First Pakistani lunar mission, piggybacking with Chang'e 6. [13] Blue Ghost M1: USA
This is a list of space probes that have left Earth orbit (or were launched with that intention but failed), organized by their planned destination. It includes planetary probes, solar probes, and probes to asteroids and comets, but excludes lunar missions, which are listed separately at List of lunar probes and List of Apollo missions.
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As a result of the changes in systems, flights under different numbering systems could have the same number with one having a letter appended, e.g. flight STS-51 (a mission carried out by Discovery in 1993) was many years after STS-51-A (Discovery's second flight in 1984). [6]
A geostationary orbit, as viewed from above the North Pole. A satellite whose orbital period is an integer fraction of a day (e.g., 24 hours, 12 hours, 8 hours, etc.) will follow roughly the same ground track every day.
Artist's rendition of Mars Express as seen by NASA's Mars Global Surveyor Image of Mars Express in orbit at Mars. 2001 Mars Odyssey was launched April 7, 2001 on a Delta II rocket and currently holds the record for the longest-surviving continually active spacecraft in orbit around a planet other than Earth at 23 years and 3 months.
Sample Return: Launch failure Failed to orbit. 98: Luna 24 (E-8-5M No.413) Luna 24: 9 August 1976: Proton-K/D: Lavochkin: Lander: Success Luna 24 return craft: Sample Return: Success Entered orbit on 11 August 1976 and landed in Mare Crisium at 16:36 UTC on 18 August. Sample capsule launched at 05:25 UTC on 19 August and recovered 96 + 1 ⁄ 2 ...