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EntityQ155025· pop 25· linked from 152 articles

Also known as Ilioneus

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
Ilioneus
Followed by
(5131) 1990 BG
Follows
5129 Groom
Parent body
Sun
Diameter
60.711
Orbital period
4313.270953816183
Image
005130-asteroid shape model (5130) Ilioneus.png
Show 18 more facts
discoverer or inventor
Carolyn S. Shoemaker
site of astronomical discovery
Palomar Observatory
provisional designation
1990 VE8
time of discovery or invention
1989-09-30
orbital eccentricity
0.01081240832828301
orbital inclination
15.75611122045146
periapsis
5.129608290282026
apoapsis
5.2417476253599
semi-major axis of an orbit
5.185677957820963
mean anomaly
19.49185863084257
longitude of ascending node
242.4987454275686
argument of periapsis
113.0411189340964
absolute magnitude
9.8
Commons category
5130 Ilioneus
albedo
0.069
rotation period
14.768
time of periapsis
2460766.962034255
Sources (4)

via Wikidata · CC0