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EntityQ3597375· pop 11

13580 de Saussure

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Also known as de Saussure

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
(13581) 1993 QX4
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
6.438
Orbital period
1723.386247954748
Show 17 more facts
discoverer or inventor
Eric Walter Elst
site of astronomical discovery
La Silla Observatory
provisional designation
1994 YE
time of discovery or invention
1993-07-20
orbital eccentricity
0.2314967418602753
orbital inclination
5.818983375905677
periapsis
2.161897887834783
apoapsis
3.464357732910339
semi-major axis of an orbit
2.813127810372561
mean anomaly
258.0386691724203
longitude of ascending node
293.8662046641355
argument of periapsis
78.7925705531578
absolute magnitude
14.36
albedo
0.107
rotation period
12.31
time of periapsis
2461488.6076538097
Sources (2)

via Wikidata · CC0