Picture of the Day · NASA

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
2072 Kosmodemyanskaya (1973 QE2)
- Orbit class
- Main-belt Asteroid
- Diameter
- 4.843 km
- Albedo
- 0.522
- Rotation period
- 4.400 h
- Absolute magnitude
- 12.810 H
- Earth MOID
- 1.060 AU
- Semi-major axis
- 2.450 AU
- Eccentricity
- 0.164
- Inclination
- 4.734 °
via NASA/JPL Small-Body Database · Minor Planet Center
Wikidata facts
- Instance of
- asteroid
- Named after
- Zoya Kosmodemyanskaya
- Followed by
- 2073 Janáček
- Follows
- 2071 Nadezhda
- Parent body
- Sun
- Minor-planet group
- asteroid belt
- Diameter
- 4.843
- Orbital period
- 1400.321797941692
Show 18 more facts
- discoverer or inventor
- Tamara Smirnova
- site of astronomical discovery
- Crimean Astrophysical Observatory
- provisional designation
- 1975 EL
- time of discovery or invention
- 1973-08-31
- orbital eccentricity
- 0.1646584208509444
- absolute magnitude
- 12.81
- orbital inclination
- 4.734384157361634
- semi-major axis of an orbit
- 2.449549847302063
- mean anomaly
- 164.339828510315
- longitude of ascending node
- 26.12581349487114
- argument of periapsis
- 38.52121516766183
- periapsis
- 2.046210837649634
- apoapsis
- 2.852888856954493
- Commons category
- 2072 Kosmodemyanskaya
- albedo
- 0.522
- rotation period
- 4.4
- time of periapsis
- 2460361.2537662974
- epoch
- November 21, 2025
Sources (2)
via Wikidata · CC0