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15258 Alfilipenko

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Also known as Alfilipenko

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
Followed by
(15259) 1990 SL7
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
12.059
Orbital period
2126.541963074563
Show 17 more facts
discoverer or inventor
Lyudmila Zhuravlyova
site of astronomical discovery
Crimean Astrophysical Observatory
provisional designation
1998 BJ11
time of discovery or invention
1990-09-15
orbital eccentricity
0.1638445690312981
orbital inclination
6.734782987536488
periapsis
2.706059667563715
apoapsis
3.766563883846324
semi-major axis of an orbit
3.236311775705019
mean anomaly
53.45225739176893
longitude of ascending node
293.8340111215286
argument of periapsis
32.97056108018472
absolute magnitude
13.23
albedo
0.084
rotation period
4.366
time of periapsis
2460684.7542545428
Sources (2)

via Wikidata · CC0