Skip to content
EntityQ940357· pop 29

سیارک ۲۴۹۳

Sign in to save

Also known as Elmer

سیارک

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

(2493) Elmer

Orbit class
Main-belt
Semi-major axis
2.790 AU
Eccentricity
0.171
Inclination
8.725 °
Absolute magnitude
12.950 H

via Minor Planet Center

Wikidata facts

Instance of
asteroid
Named after
Charles Elmer
Followed by
2494 Inge
Parent body
Sun
Minor-planet group
asteroid belt
Diameter
7.401
Orbital period
1703.888018361861
Show 17 more facts
discoverer or inventor
Oak Ridge Observatory
site of astronomical discovery
Oak Ridge Observatory
provisional designation
1978 XC
time of discovery or invention
1978-12-01
orbital eccentricity
0.1700989923904564
orbital inclination
8.721212209296937
periapsis
2.316975135974465
apoapsis
3.266763441830873
semi-major axis of an orbit
2.791869288902669
mean anomaly
100.5415637767914
longitude of ascending node
205.7260926494176
argument of periapsis
148.6835441856298
absolute magnitude
12.97
albedo
0.322
asteroid spectral type
S-type asteroid
time of periapsis
2460524.634539259
Sources (2)

via Wikidata · CC0