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21400 Ahdout

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Also known as Ahdout, (21400) Ahdout

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
Parent body
Sun
Minor-planet group
asteroid belt
Orbital period
1285.635956540878
Show 15 more facts
provisional designation
1999 VS78
time of discovery or invention
1998-03-20
orbital eccentricity
0.2005371816639025
orbital inclination
3.606127291617887
periapsis
1.84988469449283
apoapsis
2.777934516269092
semi-major axis of an orbit
2.313909605380962
mean anomaly
229.9188459858311
longitude of ascending node
349.9149931426599
argument of periapsis
299.0078042418581
absolute magnitude
15.43
rotation period
4.17
time of periapsis
2461465.047246858
Sources (2)

via Wikidata · CC0