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21311 Servius

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Also known as Servius

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
Servius Tullius
Parent body
Sun
Minor-planet group
asteroid belt
Orbital period
1213.532003106317
Show 15 more facts
discoverer or inventor
Vincenzo Silvano Casulli
site of astronomical discovery
Kolleverde di Gvidoniya observatory
provisional designation
1996 XC9
time of discovery or invention
1996-12-04
orbital eccentricity
0.09458416197401794
absolute magnitude
15.29
orbital inclination
6.597300929541646
periapsis
2.015966411166806
apoapsis
2.437161812351095
semi-major axis of an orbit
2.22656411175895
mean anomaly
243.4250969104246
longitude of ascending node
100.2518352275516
argument of periapsis
337.4538538237632
time of periapsis
2461393.464932384
Sources (2)

via Wikidata · CC0