Skip to content
EntityQ1083057· pop 18

10951 Spessart

Sign in to save

Also known as Spessart, (10951) Spessart

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
Named after
Spessart
Followed by
10952 Vogelsberg
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
6.281
Orbital period
1885.088611916476
Show 17 more facts
discoverer or inventor
Tom Gehrels
site of astronomical discovery
Palomar Observatory
provisional designation
4050 P-L
time of discovery or invention
1960-09-24
orbital eccentricity
0.06193244432802004
orbital inclination
9.624469376880908
periapsis
2.801493876446919
apoapsis
3.171410440534992
semi-major axis of an orbit
2.986452158490955
mean anomaly
160.1907178817586
longitude of ascending node
202.9236230861272
argument of periapsis
236.8071961559557
absolute magnitude
13.86
albedo
0.178
rotation period
4.5418
time of periapsis
2460161.684172184
Sources (2)

via Wikidata · CC0