Skip to content
EntityQ5941881· pop 6

(74402) 1998 YP4

Sign in to save

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
(74403) 1998 YR5
Parent body
Sun
Minor-planet group
asteroid belt
Orbital period
1618.458919480468
Show 15 more facts
time of discovery or invention
1998-12-19
discoverer or inventor
Catalina Sky Survey
provisional designation
1998 YP4
site of astronomical discovery
Catalina Station
absolute magnitude
15.06
orbital eccentricity
0.1421822603151225
semi-major axis of an orbit
2.697752905948446
periapsis
2.314180300009006
apoapsis
3.081325511887886
orbital inclination
21.5878970920474
longitude of ascending node
170.7220334371282
argument of periapsis
274.1524992120795
mean anomaly
24.39763318623494
time of periapsis
2460890.815091543
Sources (2)

via Wikidata · CC0

Available in 6 languages

via Wikidata sitelinks · CC0