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24857 Sperello

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Also known as (24857) 1996 AH4, Sperello

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
24858 Diethelm
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
1.626
Orbital period
1239.744513236892
Show 16 more facts
time of discovery or invention
1996-01-15
discoverer or inventor
Maura Tombelli
site of astronomical discovery
Cima Ekar Observing Station
provisional designation
2000 JT83
orbital eccentricity
0.11273063102354
orbital inclination
6.718589590008524
periapsis
2.003909022820233
apoapsis
2.513116117204404
semi-major axis of an orbit
2.258512570012318
mean anomaly
264.8912891164267
longitude of ascending node
190.8981258772866
argument of periapsis
320.0125721827418
absolute magnitude
15.66
albedo
0.266
time of periapsis
2461328.0291735525
Sources (2)

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