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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
Diameter
4.47
Orbital period
1632.774825509406
Show 16 more facts
time of discovery or invention
1999-10-29
site of astronomical discovery
Anderson Mesa Station
provisional designation
1999 UM38
orbital eccentricity
0.2459370955341965
orbital inclination
9.102094038791684
periapsis
2.046253753671846
apoapsis
3.381022250898255
semi-major axis of an orbit
2.71363800228505
mean anomaly
262.1220295732535
longitude of ascending node
236.998412240995
argument of periapsis
208.4286195761108
absolute magnitude
14.2
albedo
0.168
time of periapsis
2461444.424128013
Sources (3)

via Wikidata · CC0

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via Wikidata sitelinks · CC0