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8355 Masuo

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Also known as Masuo

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
8356 Wadhwa
Parent body
Sun
Minor-planet group
Mars-crossing asteroid
Diameter
3.874
Orbital period
1304.747163273863
Show 17 more facts
discoverer or inventor
Eleanor F. Helin
site of astronomical discovery
Palomar Observatory
provisional designation
1996 OA1
time of discovery or invention
1989-09-05
orbital eccentricity
0.2877411305736239
absolute magnitude
14.42
orbital inclination
7.703358944135444
periapsis
1.664395331523454
apoapsis
3.009173234534248
semi-major axis of an orbit
2.336784283028851
mean anomaly
50.83784368014393
longitude of ascending node
154.1209711348949
argument of periapsis
196.4410479811336
albedo
0.277
rotation period
6.0677
time of periapsis
2460816.2485213093
Sources (2)

via Wikidata · CC0