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minor planet

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
9799 Thronium
Follows
9797 Raes
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
13.449
Orbital period
1900.781131043258
Show 17 more facts
provisional designation
1987 SR7
discoverer or inventor
Hiroshi Kaneda
time of discovery or invention
1996-05-08
site of astronomical discovery
Kushiro
orbital eccentricity
0.09864648150175238
albedo
0.170
orbital inclination
10.82191158588353
periapsis
2.706767470288137
apoapsis
3.299238862938151
semi-major axis of an orbit
3.003003166613144
mean anomaly
121.3329489512421
longitude of ascending node
96.18174072408328
argument of periapsis
262.7731857369332
absolute magnitude
12.21
rotation period
6.81185
time of periapsis
2460359.8683890547
Sources (3)

via Wikidata · CC0