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23749 Thygesen

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Also known as Thygesen

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
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
3.185
Orbital period
1233.314761001719
Show 15 more facts
time of discovery or invention
1998-05-22
provisional designation
1999 XP221
orbital eccentricity
0.1599592963363304
orbital inclination
5.000189352517524
periapsis
1.890676959425311
apoapsis
2.610716725855655
semi-major axis of an orbit
2.250696842640483
mean anomaly
6.024278055871785
longitude of ascending node
292.4807162933221
argument of periapsis
8.585026635766003
absolute magnitude
14.91
albedo
0.252
time of periapsis
2460979.8615804147
Sources (2)

via Wikidata · CC0