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22780 McAlpine

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Also known as McAlpine

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
1.868
Orbital period
1227.356392235711
Show 15 more facts
time of discovery or invention
1999-03-20
provisional designation
1999 FS37
orbital eccentricity
0.09781756807119088
periapsis
2.023993936859699
apoapsis
2.46289001305834
semi-major axis of an orbit
2.24344197495902
mean anomaly
287.4953126731812
longitude of ascending node
27.09580378998293
argument of periapsis
199.2025414739415
absolute magnitude
15.66
orbital inclination
4.689529523073248
albedo
0.384
time of periapsis
2461247.691920716
Sources (2)

via Wikidata · CC0