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EntityQ539181· pop 14

21614 Grochowski

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Also known as Grochowski

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
21615 Guardamano
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
3.988
Orbital period
1319.076530451982
Show 15 more facts
provisional designation
1999 JW75
time of discovery or invention
1999-05-10
orbital eccentricity
0.1610523744941015
orbital inclination
6.030082796964265
periapsis
1.97476714672043
apoapsis
2.732957356414351
semi-major axis of an orbit
2.35386225156739
mean anomaly
2.989349701889976
longitude of ascending node
224.6534873269847
argument of periapsis
122.9506452313146
absolute magnitude
14.3
albedo
0.279
time of periapsis
2460989.5467193527
Sources (2)

via Wikidata · CC0