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9828 Antimachos

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Also known as (9828) Antimachos, Antimachos

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
Antimachus
Followed by
9829 Murillo
Parent body
Sun
Diameter
20.272
Orbital period
4324.491864741235
Show 16 more facts
discoverer or inventor
Tom Gehrels
site of astronomical discovery
Palomar Observatory
provisional designation
1996 RO33
time of discovery or invention
1973-09-19
orbital eccentricity
0.086320896964527
absolute magnitude
12.05
orbital inclination
3.212567857645833
periapsis
4.74625933029914
apoapsis
5.643076081949792
semi-major axis of an orbit
5.194667706124466
mean anomaly
53.91574038209649
longitude of ascending node
97.10065121239587
argument of periapsis
20.5591066201939
albedo
0.082
time of periapsis
2460352.8383870446
Sources (3)

via Wikidata · CC0