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(15901) 1997 RY8

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minor planet

Picture of the Day · NASA

Pathfinder on Mars

Pathfinder on Mars

2026-07-04

On July 4th, 1997, using its own array of fireworks, a parachute, and a cocoon of airbags, the Mars Pathfinder spacecraft bounced like a giant beach ball at least 15 times before it came to rest on the surface of Mars at 10:07 AM Pacific Daylight Time. After its then novel airbag-assisted landing sequence was completed, Pathfinder transmitted this color mosaic to mission operators on Earth. In the scene from another world, the Mars Sojourner robot rover is visible in the foreground, crouched on top of the unfolded Pathfinder. About the size of a large house cat, the six-wheeled, solar-powered Sojourner became the first successful Martian rover. Surrounding Pathfinder are deflated airbags and the rock-strewn terrain of the Ares Vallis floodplain. In the distance Martian hills appear against a dusty brownish sky. The Pathfinder lander was subsequently renamed the Carl Sagan Memorial Station.

via NASA APOD

Wikidata facts

Instance of
asteroid
Followed by
15902 Dostál
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
6.96
Orbital period
1928.619977283011
Show 16 more facts
site of astronomical discovery
Xinglong Station
provisional designation
1997 RY8
time of discovery or invention
1997-09-12
orbital eccentricity
0.09934362301244497
albedo
0.110
orbital inclination
10.54788696965651
periapsis
2.731018347130056
apoapsis
3.333488421288223
semi-major axis of an orbit
3.032253384209139
mean anomaly
0.8389741072332596
longitude of ascending node
171.9016917269498
argument of periapsis
331.9017578455769
absolute magnitude
13.44
time of periapsis
2460996.005382712
Sources (3)

via Wikidata · CC0