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EntityQ148329· pop 32

2237 Melnikov

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Also known as Melnikov

main-belt 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
Q912895
Follows
Q912841
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
21.353
Orbital period
2035.762487561978
Show 18 more facts
discoverer or inventor
Grigory Neujmin
site of astronomical discovery
Simeiz Observatory
provisional designation
1977 RU3
time of discovery or invention
1938-10-02
orbital eccentricity
0.2166203211914155
argument of periapsis
265.5471619313905
absolute magnitude
12.11
orbital inclination
2.400004835230539
periapsis
2.462586089821833
apoapsis
3.824495784875496
semi-major axis of an orbit
3.143540937348665
mean anomaly
186.7008102979249
longitude of ascending node
118.4319319310685
Commons category
2237 Melnikov
albedo
0.074
rotation period
31.725
time of periapsis
2461980.4888597787
Sources (2)

via Wikidata · CC0