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(37577) 1990 RG

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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

Small body data

(37577) 1990 RG

Orbit class
Main-belt
Semi-major axis
2.227 AU
Eccentricity
0.199
Inclination
6.659 °
Absolute magnitude
15.910 H

via Minor Planet Center

Wikidata facts

Instance of
asteroid
Followed by
(37578) 1990 RY2
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
1.675
Orbital period
1213.806944375518
Show 16 more facts
time of discovery or invention
1990-09-14
discoverer or inventor
Henry E. Holt
site of astronomical discovery
Palomar Observatory
provisional designation
2000 QW96
orbital eccentricity
0.1994633331961598
albedo
0.435
orbital inclination
6.658995592280754
periapsis
1.782715426350145
apoapsis
2.671085380720128
semi-major axis of an orbit
2.226900403535137
mean anomaly
187.1088290327574
longitude of ascending node
357.646949632042
argument of periapsis
25.74935841409868
absolute magnitude
15.91
time of periapsis
2461583.43473317
Sources (3)

via Wikidata · CC0

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via Wikidata sitelinks · CC0