List of asteroids visited by spacecraft

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The following table lists asteroids that have been visited by spacecraft.

Name Diameter
(km)
Discovered Spacecraft Year(s) Closest
Approach
(km)
Notes
Vesta, 44 Vesta 529 March 29, 1807 Dawn 2011–2012 approx. 200 broke orbit on 5 September 2012 and is headed for Ceres, to arrive in February 2015
Lutetia, 2121 Lutetia 120×100×80 November 15, 1852 Rosetta 2010 3,162 Flyby
Ida, 243243 Ida 56×24×21 September 29, 1884 Galileo 1993 2,390 Flyby; discovered Dactyl (moon)
Mathilde, 253253 Mathilde 66×48×46 November 12, 1885 NEAR Shoemaker 1997 1,212 Flyby
Eros, 433433 Eros 13×13×33 August 13, 1898 NEAR Shoemaker 1998 3,827 Flyby
Eros, 433433 Eros 13×13×33 August 13, 1898 NEAR Shoemaker 2000 35 Orbited; first asteroid studied from orbit
Eros, 433433 Eros 13×13×33 August 13, 1898 NEAR Shoemaker 2001 0 Landed
Gaspra, 951951 Gaspra 18.2×10.5×8.9 July 30, 1916 Galileo 1991 1,600 Flyby; first asteroid visited by a spacecraft
Masursky, 26852685 Masursky 15-20 May 3, 1981 Cassini 2000 1,600,000 Distant flyby
Šteins, 28672867 Šteins 4.6 November 4, 1969 Rosetta 2008 800 Flyby
Annefrank, 55355535 Annefrank 4.0 March 23, 1942 Stardust 2002 3,079 Flyby
Braille, 99699969 Braille 2.2×0.6 May 27, 1992 Deep Space 1 1999 26 Flyby; followed by flyby of Comet Borrelly
Itokawa, 2514325143 Itokawa ~1 September 26, 1998 Hayabusa 2005 0 Landed; returned samples to Earth
APL, 132524132524 APL ~2.5 May 9, 2002 New Horizons 2006 101,867 Distant flyby
4179 Toutatis 4.5×~2 February 10, 1934 Chang'e 2 2012 3.2 Flyby[1]

List of asteroids targeted for spacecraft visitation[edit]

The following table lists asteroids that are planned to be visited by spacecraft. Dwarf planets are also included.

Name Diameter
(km)
Discovered Spacecraft Country Year(s) Notes
1 Ceres 959×933 January 1, 1801 Dawn USA 2015 Future; to be orbited (dwarf planet)
134340 Pluto 2344 February 18, 1930 New Horizons USA 2015 Flyby - July 2015 (dwarf planet)
101955 Bennu ~0.5 September 11, 1999 OSIRIS-REx USA 2020 Future planned landing
65803 Didymos ~1 (+.15) April 11, 1996 AIDA EU N/A Proposal
(162173) 1999 JU3 ~1 May 10, 1999 Hayabusa 2 Japan N/A Proposal

Asteroids that come to close enough to Earth can sometimes be observed, such as 4769 Castalia. See List of asteroid close approaches to Earth

List of asteroids formerly targeted for spacecraft visitation[edit]

Former targets (were at one time proposed as a target).

Name Diameter
(km)
Discovered Spacecraft Year(s) Notes
Siwa, 140140 Siwa 103 October 13, 1874 Rosetta Abandoned target
Hamburga, 449449 Hamburga 86 October 31, 1899 CRAF Mission cancelled
Geographos, 16201620 Geographos 5.1×1.8 September 14, 1951 Clementine Abandoned target
van Albada, 20192019 van Albada September 28, 1935 NEAR Abandoned target
Shipka, 25302530 Shipka   July 9, 1978 Rosetta Abandoned target
Rodari, 27032703 Rodari   March 29, 1979 Rosetta Abandoned target
McAuliffe, 33523352 McAuliffe 2–5 February 6, 1981 Deep Space 1 Abandoned target
Mimistrobell, 38403840 Mimistrobell   October 9, 1980 Rosetta Abandoned target
Wilson–Harrington, 40154015 Wilson–Harrington November 19, 1949 Deep Space 1 Abandoned target, also a comet
Nereus, 46604660 Nereus ~1 February 28, 1982 NEAR
NEAP
Hayabusa
Abandoned target
Mission cancelled
Abandoned target
Otawara, 49794979 Otawara 5.5 August 2, 1949 Rosetta Abandoned target
(163249) 2002 GT April 3, 2002 Deep Impact Communications with spacecraft lost

See also[edit]

References[edit]