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5577 Priestley

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Also known as Priestley

asteroid

In the Vinony graph

Within Vinony's link graph, 5577 Priestley connects to HTML element, list of minor planets: 5001–6000 and JPL Small-Body Database.

It is catalogued under topics including Astronomical objects discovered in 1986, Hungaria asteroids and Minor planet object redirects (numbered).

Its subject is documented across 23 Wikipedia language editions.

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
Joseph Priestley
Followed by
5578 Takakura
Parent body
Sun
Diameter
3.993
Orbital period
914.8679404341289
Show 17 more facts
discoverer or inventor
Duncan Waldron
site of astronomical discovery
Siding Spring Observatory
provisional designation
1986 WQ2
time of discovery or invention
1986-11-21
orbital eccentricity
0.04462557080896607
orbital inclination
22.27474747769358
periapsis
1.762031228573057
apoapsis
1.926640301112037
semi-major axis of an orbit
1.844335764842547
mean anomaly
262.4607803202371
longitude of ascending node
96.98111782600832
argument of periapsis
228.0134739141587
absolute magnitude
14.28
albedo
0.254
rotation period
160.0
time of periapsis
2461248.3764028335
Sources (2)

via Wikidata · CC0

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