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136818 Selqet

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Also known as (136818) Selqet, Selqet

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

Small body data

(136818) Selqet

Orbit class
Near-Earth
Semi-major axis
0.937 AU
Eccentricity
0.346
Inclination
12.782 °
Absolute magnitude
18.950 H

via Minor Planet Center

Wikidata facts

Parent body
Sun
Minor-planet group
Aten asteroid
Orbital period
331.5550854180542
Show 15 more facts
discoverer or inventor
Roy A. Tucker
site of astronomical discovery
Goodricke-Pigott Observatory
provisional designation
1997 MW1
time of discovery or invention
1997-06-29
orbital eccentricity
0.3463388478204629
absolute magnitude
18.98
mean anomaly
269.3213556389315
argument of periapsis
203.8377110749981
longitude of ascending node
259.9211401009761
orbital inclination
12.77777775205694
semi-major axis of an orbit
0.9375005066717822
periapsis
0.612807661359977
apoapsis
1.262193351983588
time of periapsis
2461084.0137935462
Sources (2)

via Wikidata · CC0