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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
Follows
9848 Yugra
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
4.905
Orbital period
1341.128718383036
Show 17 more facts
provisional designation
1995 WR31
discoverer or inventor
Henry E. Holt
site of astronomical discovery
Palomar Observatory
time of discovery or invention
1990-09-14
orbital eccentricity
0.1598841526038689
albedo
0.243
orbital inclination
1.7396742656825
periapsis
1.999495974220214
apoapsis
2.760552251075106
semi-major axis of an orbit
2.38002411264766
mean anomaly
271.4659940296775
longitude of ascending node
232.0585608738888
argument of periapsis
43.38108257388865
absolute magnitude
13.93
rotation period
2.608
time of periapsis
2461330.3208276676
Sources (3)

via Wikidata · CC0