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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
Key facts
- Discovered by
- L. Carnera
- Discovery site
- Heidelberg Obs.
- Discovery date
- 9 July 1902
- Pronunciation
- / v ɪ ˈ n iː ʃ ə /
- Named after
- Veneto (Italian region)
- Alternative designations
- 1902 JL
- Minor planet category
- main-belt · ( middle )
- Observation arc
- 114.63 yr (41,868 days)
- Aphelion
- 2.9063 AU
- Perihelion
- 2.4333 AU
- Semi major axis
- 2.6698 AU
- Orbital period sidereal
- 4.36 yr (1,593 days)
- Mean anomaly
- 8.3676 °
- Mean motion
- 0° 13 33.24 / day
- Inclination
- 10.245°
- Longitude of ascending node
- 114.82°
- Argument of perihelion
- 280.52°
- Dimensions
- 59.046 ± 0.458 km , 63.15 ± 1.3 km ( IRAS :22) , 65.562 ± 0.795 km , 66.13 ± 0.84 km
via Wikipedia infobox
Wikidata facts
- Instance of
- asteroid
- Named after
- Veneto
- Followed by
- Q154811
- Follows
- 486 Cremona
- Parent body
- Sun
- Minor-planet group
- asteroid belt
- Diameter
- 59.046
- Orbital period
- 1593.064586211191
Show 18 more facts
- discoverer or inventor
- Luigi Carnera
- site of astronomical discovery
- Heidelberg-Königstuhl State Observatory
- provisional designation
- A902 NC
- time of discovery or invention
- 1902-07-09
- orbital inclination
- 10.253488925644
- albedo
- 0.328
- rotation period
- 13.34
- asteroid spectral type
- S-type asteroid
- absolute magnitude
- 8.43
- orbital eccentricity
- 0.0862307104520819
- semi-major axis of an orbit
- 2.669459303549312
- periapsis
- 2.439269931281335
- apoapsis
- 2.899648675817288
- longitude of ascending node
- 114.7517701754241
- argument of periapsis
- 281.8886737400352
- mean anomaly
- 9.831500829857237
- time of periapsis
- 2460956.993844996
- epoch
- November 21, 2025
Sources (3)
via Wikidata · CC0
~3 min read
Encyclopedic overview
487 Venetia, provisional designation 1902 JL, is a rare-type stony asteroid from the middle regions of the asteroid belt, approximately 63 kilometers in diameter. It was discovered on 9 July 1902, by Italian astronomer Luigi Carnera at Heidelberg Observatory in southwest Germany. It was later named for the Italian Veneto region where the city of Venice is located.
Orbit and classification
Excerpted from Wikipedia’s “487 Venetia” article, available under the CC BY-SA 4.0 licence.