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(128621) 2004 RD

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main belt asteroid

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
128622 Rudiš
Parent body
Sun
Minor-planet group
asteroid belt
Orbital period
1911.796958220199
Show 15 more facts
discoverer or inventor
James Whitney Young
time of discovery or invention
2004-09-02
provisional designation
2004 RD
site of astronomical discovery
Table Mountain Observatory
absolute magnitude
15.84
orbital eccentricity
0.1407647060299647
semi-major axis of an orbit
3.014594433924871
periapsis
2.590245934633869
apoapsis
3.438942933215874
orbital inclination
0.9674595545655624
longitude of ascending node
359.3237854675921
argument of periapsis
95.10051241827806
mean anomaly
281.4324705213222
time of periapsis
2461417.7365663117
Sources (2)

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