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EntityQ140857· pop 20

Also known as (15651) Tlepolemos, Tlepolemos

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
Tlepolemus
Followed by
(15652) 1048 T-1
Parent body
Sun
Diameter
24.341
Orbital period
4477.352379403483
Show 17 more facts
discoverer or inventor
Tom Gehrels
site of astronomical discovery
Palomar Observatory
provisional designation
9612 P-L
time of discovery or invention
1960-10-22
orbital eccentricity
0.04206303685757624
mean anomaly
100.7537078756473
longitude of ascending node
45.34256288699932
argument of periapsis
32.16616413404546
absolute magnitude
11.46
orbital inclination
2.958683178482951
periapsis
5.092747731587938
apoapsis
5.53999310113168
semi-major axis of an orbit
5.316370416359809
albedo
0.099
rotation period
5.819
time of periapsis
2459747.4170730812
Sources (3)

via Wikidata · CC0