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26998 Iriso

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Also known as (26998) 1997 YX6

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
Parent body
Sun
Diameter
8.988
Orbital period
2094.93938717082
Show 17 more facts
time of discovery or invention
1997-12-25
discoverer or inventor
Naoto Satō
provisional designation
1999 GA37
site of astronomical discovery
Chichibu Observatory
orbital eccentricity
0.1887110126175776
orbital inclination
14.64274230020988
periapsis
2.599506678862713
apoapsis
3.808830471749606
semi-major axis of an orbit
3.20416857530616
mean anomaly
356.0081448730677
longitude of ascending node
110.1447314780601
argument of periapsis
292.7641679671332
absolute magnitude
12.95
albedo
0.219
rotation period
3.3329
time of periapsis
2461023.729707037
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