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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
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
4.117
Orbital period
1664.901052684078
Show 17 more facts
discoverer or inventor
Schelte J. Bus
site of astronomical discovery
Siding Spring Observatory
provisional designation
1999 EJ1
time of discovery or invention
1981-03-02
orbital eccentricity
0.1642409537819074
albedo
0.378
apoapsis
3.2006354131801
semi-major axis of an orbit
2.749117700063025
mean anomaly
50.06052978433187
longitude of ascending node
173.6450582823709
argument of periapsis
199.3646752586657
absolute magnitude
13.8
orbital inclination
8.60961870840092
periapsis
2.29759998694595
rotation period
3.373
time of periapsis
2460568.983809067
Sources (4)

via Wikidata · CC0