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EntityQ139711· pop 18

Also known as (14791) Atreus, Atreus

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

Diameter
22.33
Orbital period
4280.021342410705
Show 14 more facts
provisional designation
1999 XJ31
time of discovery or invention
1973-09-19
orbital eccentricity
0.1608030454451379
orbital inclination
2.935149816038707
periapsis
4.32941187787043
apoapsis
5.988575703881208
semi-major axis of an orbit
5.158993790875819
mean anomaly
149.6211204781802
longitude of ascending node
194.7630062344233
argument of periapsis
186.6816393274505
absolute magnitude
11.94
albedo
0.098
rotation period
19.615
time of periapsis
2459221.6622529943
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via Wikidata · CC0

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