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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

Small body data

(2437) Amnestia

Orbit class
Main-belt
Semi-major axis
2.189 AU
Eccentricity
0.148
Inclination
2.946 °
Absolute magnitude
13.090 H

via Minor Planet Center

Wikidata facts

Instance of
asteroid
Followed by
2438 Oleshko
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
6.742
Orbital period
1182.693528971726
Show 17 more facts
discoverer or inventor
Marja Väisälä
site of astronomical discovery
Iso-Heikkilä Observatory
provisional designation
1977 KB
time of discovery or invention
1942-09-14
orbital eccentricity
0.1480750949839822
semi-major axis of an orbit
2.188681309156971
mean anomaly
241.2782283222088
longitude of ascending node
218.914644791795
argument of periapsis
151.3439290357181
absolute magnitude
13.1
orbital inclination
2.945885770246051
albedo
0.269
rotation period
85.0
periapsis
1.864592116413886
apoapsis
2.512770501900056
time of periapsis
2461390.5318641984
Sources (2)

via Wikidata · CC0