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18237 Kenfreeman

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Also known as Kenfreeman

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
Named after
Ken Freeman
Followed by
18238 Frankshu
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
2.216
Orbital period
1410.082934545213
Show 16 more facts
discoverer or inventor
Tom Gehrels
site of astronomical discovery
Palomar Observatory
provisional designation
1999 JP65
time of discovery or invention
1973-09-29
orbital eccentricity
0.151931376540356
orbital inclination
2.490176929690224
periapsis
2.087028992002823
apoapsis
2.834810902247517
semi-major axis of an orbit
2.46091994712517
mean anomaly
298.3248992059442
longitude of ascending node
169.0184785008061
argument of periapsis
69.13171655311511
absolute magnitude
15.63
albedo
0.249
time of periapsis
2461242.075019767
Sources (2)

via Wikidata · CC0