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asteroid

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
6361 Koppel
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
5.768
Orbital period
1354.110008537755
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site of astronomical discovery
Palomar Observatory
discoverer or inventor
C. Michelle Olmstead
provisional designation
1989 TW15
time of discovery or invention
1978-10-27
orbital eccentricity
0.09508019847552009
albedo
0.335
absolute magnitude
13.33
orbital inclination
7.605206616321206
periapsis
2.167606471992521
apoapsis
2.62310861312518
semi-major axis of an orbit
2.39535754255885
mean anomaly
49.64238420276315
longitude of ascending node
22.48721950815533
argument of periapsis
199.4588115283209
rotation period
10.60568
time of periapsis
2460813.7743075094
Sources (3)

via Wikidata · CC0