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EntityQ3597583· pop 10

15840 Hiroshiendou

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Also known as Hiroshiendou

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
15841 Yamaguchi
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
5.883
Orbital period
1704.374523117817
Show 16 more facts
discoverer or inventor
Tomimaru Okuni
provisional designation
1995 KH1
time of discovery or invention
1995-05-31
orbital eccentricity
0.1440855755872785
orbital inclination
10.2738246281877
periapsis
2.390056036382125
apoapsis
3.194745360140762
semi-major axis of an orbit
2.792400698261444
mean anomaly
146.0650777766633
longitude of ascending node
124.0142968212611
argument of periapsis
188.4309990444187
absolute magnitude
13.43
albedo
0.294
rotation period
6.449
time of periapsis
2460308.9733408894
Sources (2)

via Wikidata · CC0

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via Wikidata sitelinks · CC0