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8373 Stephengould

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Also known as Stephengould

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

Small body data

(8373) Stephengould

Orbit class
Outer belt
Semi-major axis
3.277 AU
Eccentricity
0.556
Inclination
40.799 °
Absolute magnitude
14.310 H

via Minor Planet Center

Wikidata facts

Instance of
asteroid
Followed by
8374 Horohata
Parent body
Sun
Diameter
5.748
Orbital period
2167.50456948905
Show 17 more facts
discoverer or inventor
Eugene Merle Shoemaker
site of astronomical discovery
Palomar Observatory
provisional designation
1992 AB
time of discovery or invention
1992-01-01
orbital eccentricity
0.5555326783238298
absolute magnitude
14.31
orbital inclination
40.79991398652837
periapsis
1.456847968350006
apoapsis
5.098630454027403
semi-major axis of an orbit
3.277739211188705
mean anomaly
235.7368756242009
longitude of ascending node
88.8613132052334
argument of periapsis
55.34598005089951
albedo
0.133
rotation period
4.435
time of periapsis
2461748.669138621
Sources (2)

via Wikidata · CC0