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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
Followed by
(9868) 1991 VP1
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
4.506
Orbital period
1244.445034504942
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provisional designation
1994 PJ
discoverer or inventor
Takeshi Urata
site of astronomical discovery
JCPM Yakiimo Station
time of discovery or invention
1991-11-03
orbital eccentricity
0.1906348241235289
albedo
0.182
orbital inclination
5.559398487400856
periapsis
1.832579015157222
apoapsis
2.695856528595202
semi-major axis of an orbit
2.264217771876212
mean anomaly
6.629846863205929
longitude of ascending node
93.75585698570033
argument of periapsis
303.7982878026021
absolute magnitude
14.66
rotation period
2.96156
time of periapsis
2460977.5819999767
Sources (3)

via Wikidata · CC0