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EntityQ155877· pop 24

Also known as (6129) Demokritos, Demokritos

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
Named after
Democritus
Followed by
Q553429
Follows
Q553414
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
17.096
Orbital period
1703.622614996119
Show 17 more facts
discoverer or inventor
Eric Walter Elst
site of astronomical discovery
La Silla Observatory
provisional designation
1989 RB2
time of discovery or invention
1989-09-04
orbital eccentricity
0.171561314537823
absolute magnitude
12.99
orbital inclination
6.515482458478824
periapsis
2.31265234146582
apoapsis
3.270506393270515
semi-major axis of an orbit
2.791579367368167
mean anomaly
11.17941668562661
longitude of ascending node
293.5351016541923
argument of periapsis
296.4304513677409
albedo
0.071
asteroid spectral type
C-type asteroid
time of periapsis
2460947.595813644
Sources (2)

via Wikidata · CC0