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EntityQ142750· pop 32· linked from 9 articles

Also known as Sy

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
Named after
Frédéric Sy
Followed by
Q142761
Follows
Q142743
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
13.998
Orbital period
1502.14636297888
Show 16 more facts
discoverer or inventor
Louis Boyer
provisional designation
1951 OA
time of discovery or invention
1951-07-25
orbital eccentricity
0.1555660575146567
albedo
0.157
absolute magnitude
11.9
orbital inclination
7.96710658221269
periapsis
2.167578813812252
apoapsis
2.966224328758309
semi-major axis of an orbit
2.56690157128528
mean anomaly
49.17964129973397
longitude of ascending node
300.7994892537632
argument of periapsis
320.8136206130645
time of periapsis
2460795.291613025
Sources (4)

via Wikidata · CC0