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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

(73464) 2002 NY54

Orbit class
Main-belt
Semi-major axis
3.007 AU
Eccentricity
0.053
Inclination
8.634 °
Absolute magnitude
14.970 H

via Minor Planet Center

Wikidata facts

Instance of
asteroid
Followed by
73465 Buonanno
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
3.804
Orbital period
1906.918005069897
Show 16 more facts
time of discovery or invention
2002-07-05
discoverer or inventor
Near-Earth Asteroid Tracking
site of astronomical discovery
Palomar Observatory
provisional designation
2002 NY54
albedo
0.161
absolute magnitude
14.96
orbital eccentricity
0.05229110070805177
semi-major axis of an orbit
3.009463370208711
periapsis
2.852095218039935
apoapsis
3.166831522377488
orbital inclination
8.632196082498329
longitude of ascending node
306.4266397161763
argument of periapsis
52.60101363363541
mean anomaly
117.2133989347326
time of periapsis
2460379.6212753775
Sources (2)

via Wikidata · CC0

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via Wikidata sitelinks · CC0