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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
Named after
Irwin I. Shapiro
Followed by
3833 Calingasta
Follows
Q725144
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
16.009
Orbital period
2035.551270151359
Show 16 more facts
discoverer or inventor
Edward L. G. Bowell
site of astronomical discovery
Anderson Mesa Station
provisional designation
1981 QJ
time of discovery or invention
1981-08-30
orbital eccentricity
0.1706209649248925
orbital inclination
1.022318337192131
periapsis
2.607006609766685
apoapsis
3.679640386393756
semi-major axis of an orbit
3.143323498080221
mean anomaly
323.0092751609699
longitude of ascending node
28.06166297666557
argument of periapsis
1.815560212446673
absolute magnitude
12.63
albedo
0.043
time of periapsis
2461209.656991472
Sources (2)

via Wikidata · CC0