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30785 Greeley

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EntityQ925763· pop 12

30785 Greeley

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Also known as Greeley

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
30786 Karkoschka
Parent body
Sun
Minor-planet group
Mars-crossing asteroid
Orbital period
1193.436723485323
Show 15 more facts
discoverer or inventor
Eugene Merle Shoemaker
time of discovery or invention
1988-08-13
site of astronomical discovery
Palomar Observatory
provisional designation
1988 PX
orbital eccentricity
0.3442784480015808
orbital inclination
5.400365044411125
periapsis
1.443843443912698
apoapsis
2.959987540481052
semi-major axis of an orbit
2.201915492196875
mean anomaly
149.1383016510423
longitude of ascending node
13.25942364215476
argument of periapsis
309.1831121218731
absolute magnitude
16.65
time of periapsis
2460506.091316476
Sources (2)

via Wikidata · CC0

Gallery (2)