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11809 Shinnaka

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Also known as (11809) 1981 EG18, Shinnaka

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
Followed by
11810 Preusker
Parent body
Sun
Minor-planet group
asteroid belt
Orbital period
1242.480820185261
Show 15 more facts
site of astronomical discovery
Siding Spring Observatory
discoverer or inventor
Schelte J. Bus
provisional designation
1996 XC37
time of discovery or invention
1981-03-02
orbital eccentricity
0.06332613391475708
orbital inclination
4.705447188864043
periapsis
2.118601364177626
apoapsis
2.405067846392236
semi-major axis of an orbit
2.261834605284931
mean anomaly
276.1485199525664
longitude of ascending node
345.4881425837706
argument of periapsis
325.7099069838866
absolute magnitude
15.71
time of periapsis
2461289.8995991754
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