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38639 Samuels

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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
38640 Rau
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
1.323
Orbital period
1194.166853209611
Show 16 more facts
time of discovery or invention
2000-07-05
site of astronomical discovery
Anderson Mesa Station
provisional designation
2000 NJ16
albedo
0.305
orbital eccentricity
0.1664725821232702
absolute magnitude
16.48
orbital inclination
4.222710583883209
periapsis
1.836105423963801
apoapsis
2.569521516637551
semi-major axis of an orbit
2.202813470300676
mean anomaly
164.361159060039
longitude of ascending node
113.1762267401104
argument of periapsis
260.3382778055679
time of periapsis
2460255.292644154
Sources (3)

via Wikidata · CC0

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