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2011 MD was observed by the Spitzer Space Telescope in February 2014 and estimated to be 6 meters (20 ft) in diameter. [4] The asteroid is a porous rubble pile with a density similar to water. [4] On 19 June 2014, NASA reported that asteroid 2011 MD was a prime candidate for capture by the Asteroid Redirect Mission (ARM) in the early 2020s. [10]
Co-orbital near-Earth asteroid; sample return target [27] 1998 KY 26: 0.030: 1998: Hayabusa2# 2031: Near-Earth asteroid of the Apollo group; extended mission target [24] 2015 XF 261: 0.03: 2015: Unnamed CNSA mission: 2029: Near-Earth asteroid of the Aten group, will be visited by an orbiter and impactor for an asteroid deflection test. [28 ...
June 27, 1949: First Mercury crosser discovered 1902 Shaposhnikov: 97: April 18, 1972: Last ~100+ km in diameter asteroid discovered 2309 Mr. Spock: 21.3: August 16, 1971: First asteroid named after cat 3200 Phaethon: 5: October 11, 1983: First asteroid discovered from space; source of Geminids meteor shower. 3753 Cruithne: 5: October 10, 1986 ...
Asteroid (706765) 2010 TK 7 is the first discovered tadpole orbit companion to Earth, orbiting L 4; like Earth, its mean distance to the Sun is about one astronomical unit. Asteroid (614689) 2020 XL 5 is the second Earth trojan, confirmed in November 2021, oscillating around L 4 in a tadpole orbit and expected to remain there for at least 4000 ...
Asteroid lander and sample return (sample returned 5 December 2020), first asteroid rover [359] [452] [453] PROCYON: 3 December 2014 Comet observer and attempted asteroid flyby (engine failure) [454] DSCOVR: 11 February 2015 Solar observation [455] [456] ExoMars Trace Gas Orbiter and EDM lander: 14 March 2016 Mars orbiter and attempted lander ...
June 6: New moon. June 21: Full moon. June 24: Jupiter is now visible low in the east before sunrise. Look for the bright planet around 10 degrees above the horizon this final week of June ...
There have been thirty-three overall missions towards minor planets, with four of them being flyby missions that were not intended to explore minor planets, marked in grey background. [1] [2] Many minor planets are in two domains: Asteroid belt, between 2–3 AU (0.30–0.45 billion km) Kuiper belt, between 30–60 AU (4.5–9.0 billion km)
NASA's DART mission was a success. Images taken by satellite show plumes from the asteroid impact, but it could take weeks to monitor for changes in the asteroid’s trajectory.