Non-exhaustive list of artificial objects that have reached the surface of 162173 Ryugu, which is an Apollo-class asteroid orbiting the sun between Venus and Mars. This near-Earth object measures approximately 1 km in diameter and is potentially hazardous.
From June 2018 to November 2019, Ryugu was visited by the JAXA Hayabusa-2 deep space probe which retrieved surface samples and returned them to Earth in December 2020.
Over 16 artificial objects have been identified.
COSPAR ID | name | type | mission | quantity on surface | status | date/epoch (UT) |
---|---|---|---|---|---|---|
2014-076A | MINERVA II-1 COVER | Dust cover | HAYABUSA2 | 2? | ejected, soft landing assumed | September 21, 2018 |
2014-076A | MINERVA II-1 ROVER-1A (HIBOU) | Comet rover | HAYABUSA2 | 1 | deployed on the surface, inactive | September 21, 2018 |
2014-076A | MINERVA II-1 ROVER-1B (OWL) | Comet rover | HAYABUSA2 | 1 | deployed on the surface, inactive | September 21, 2018 |
2014-076A | MASCOT (MOBILE ASTEROID SURFACE SCOUT) | Comet rover | HAYABUSA2 | 1 | deployed on the surface, inactive | October 3, 2018 |
2014-076A | TARGET MARKER TM-B | 10 cm sphere target marker | HAYABUSA2 | 1 | deployed on the surface | October 25, 2018 |
2014-076A | SAMPLING PROJECTILE | 5 gram tantalum bullet | HAYABUSA2 | 1 | fired, impact | February 21, 2019 |
2014-076A | SCI (SMALL CARRY-ON IMPACTOR) | Free-flying gun | HAYABUSA2 | scattered | exploded, debris probably on the surface and in heliocentric orbit | April 5, 2019 |
2014-076A | SCI IMPACTOR | 2.5 kg copper projectile | HAYABUSA2 | 1 | fired, impact | April 5, 2019 |
2014-076A | DCAM-3 | Camera | HAYABUSA2 | 1 | ejected, soft landing assumed | April 5, 2019 |
2014-076A | TARGET MARKER TM-A | 10 cm sphere target marker | HAYABUSA2 | 1 | deployed on the surface | May 30, 2019 |
2014-076A | TARGET MARKER TM-C | 10 cm sphere target marker | HAYABUSA2 | 1 | deployed on the surface | September 23, 2019 |
2014-076A | TARGET MARKER TM-E | 10 cm sphere target marker | HAYABUSA2 | 1 | deployed on the surface | September 23, 2019 |
2014-076A | MINERVA II-2 COVER | Dust cover | HAYABUSA2 | 2? | ejected, soft landing assumed | October 2, 2019 |
2014-076A | MINERVA II-2 ROVER-2 | Comet rover | HAYABUSA2 | 1 | technical failure, hard landed | October 8, 2019 |