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(11957) 1994 DS

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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

Small body data

(11957) 1994 DS

Orbit class
Main-belt
Semi-major axis
2.268 AU
Eccentricity
0.111
Inclination
4.501 °
Absolute magnitude
14.520 H

via Minor Planet Center

Wikidata facts

Instance of
asteroid
Followed by
11958 Galiani
Parent body
Sun
Minor-planet group
asteroid belt
Orbital period
1247.34840326827
Show 16 more facts
discoverer or inventor
Takao Kobayashi
site of astronomical discovery
Ōizumi Observatory
albedo
0.210
orbital eccentricity
0.1110828029092189
absolute magnitude
14.55
orbital inclination
4.501218200588433
periapsis
2.015831406690376
apoapsis
2.519644818289235
semi-major axis of an orbit
2.267738112489806
mean anomaly
118.1906977396581
longitude of ascending node
52.14060138003435
argument of periapsis
32.69188001899101
time of discovery or invention
1994-02-17
provisional designation
1977 EU3
time of periapsis
2460390.986171926
Sources (3)

via Wikidata · CC0

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via Wikidata sitelinks · CC0