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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

Wikidata facts

Instance of
asteroid
Parent body
Sun
Orbital period
1004.43884129382
Show 15 more facts
site of astronomical discovery
Siding Spring Observatory
discoverer or inventor
Robert H. McNaught
time of discovery or invention
1994-04-02
provisional designation
1998 UD44
absolute magnitude
16.52
orbital eccentricity
0.1000449836731623
semi-major axis of an orbit
1.962833135985334
periapsis
1.766461526942539
apoapsis
2.159204745028129
orbital inclination
22.8099156871341
longitude of ascending node
190.512384574195
argument of periapsis
280.2417802106128
mean anomaly
234.5583208979506
time of periapsis
2461350.495818909
Sources (2)

via Wikidata · CC0

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via Wikidata sitelinks · CC0