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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
(73631) 4367 T-3
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
5.818
Orbital period
1581.170588567221
Show 16 more facts
time of discovery or invention
1977-10-16
discoverer or inventor
Tom Gehrels
site of astronomical discovery
Palomar Observatory
provisional designation
4352 T-3
albedo
0.091
absolute magnitude
14.76
orbital eccentricity
0.02849590149241108
semi-major axis of an orbit
2.656155727759943
periapsis
2.580466175793192
apoapsis
2.731845279726693
orbital inclination
9.256200641564766
longitude of ascending node
45.48593284486717
argument of periapsis
276.8718108085238
mean anomaly
96.80451473875225
time of periapsis
2460575.3209679294
Sources (2)

via Wikidata · CC0

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via Wikidata sitelinks · CC0