Man made objects on asteroid 162173 Ryugu

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 IDnametypemissionquantity on surfacestatusdate/epoch (UT)
2014-076AMINERVA II-1 COVERDust coverHAYABUSA22?ejected, soft landing assumedSeptember 21, 2018
2014-076AMINERVA II-1 ROVER-1A (HIBOU)Comet roverHAYABUSA21deployed on the surface, inactiveSeptember 21, 2018
2014-076AMINERVA II-1 ROVER-1B (OWL)Comet roverHAYABUSA21deployed on the surface, inactiveSeptember 21, 2018
2014-076AMASCOT (MOBILE ASTEROID SURFACE SCOUT)Comet roverHAYABUSA21deployed on the surface, inactiveOctober 3, 2018
2014-076ATARGET MARKER TM-B10 cm sphere target markerHAYABUSA21deployed on the surfaceOctober 25, 2018
2014-076ASAMPLING PROJECTILE5 gram tantalum bulletHAYABUSA21fired, impactFebruary 21, 2019
2014-076ASCI (SMALL CARRY-ON IMPACTOR)Free-flying gunHAYABUSA2scatteredexploded, debris probably on the surface and in heliocentric orbitApril 5, 2019
2014-076ASCI IMPACTOR2.5 kg copper projectileHAYABUSA21fired, impactApril 5, 2019
2014-076ADCAM-3CameraHAYABUSA21ejected, soft landing assumedApril 5, 2019
2014-076ATARGET MARKER TM-A10 cm sphere target markerHAYABUSA21deployed on the surfaceMay 30, 2019
2014-076ATARGET MARKER TM-C10 cm sphere target markerHAYABUSA21deployed on the surfaceSeptember 23, 2019
2014-076ATARGET MARKER TM-E10 cm sphere target markerHAYABUSA21deployed on the surfaceSeptember 23, 2019
2014-076AMINERVA II-2 COVERDust coverHAYABUSA22?ejected, soft landing assumedOctober 2, 2019
2014-076AMINERVA II-2 ROVER-2Comet roverHAYABUSA21technical failure, hard landedOctober 8, 2019