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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

(73177) 2002 HK7

Orbit class
Main-belt
Semi-major axis
2.620 AU
Eccentricity
0.101
Inclination
10.054 °
Absolute magnitude
15.210 H

via Minor Planet Center

Wikidata facts

Instance of
asteroid
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
5.214
Orbital period
1548.26355733289
Show 16 more facts
time of discovery or invention
2002-04-18
discoverer or inventor
William Kwong Yu Yeung
site of astronomical discovery
Desert Eagle Observatory
provisional designation
2002 HK7
albedo
0.078
absolute magnitude
15.21
orbital eccentricity
0.1015141294812496
semi-major axis of an orbit
2.619173751971385
periapsis
2.353290608579872
apoapsis
2.885056895362899
orbital inclination
10.0469174904848
longitude of ascending node
143.4305026651898
argument of periapsis
142.0763644915053
mean anomaly
154.4620375902296
time of periapsis
2460336.200156132
Sources (2)

via Wikidata · CC0

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via Wikidata sitelinks · CC0