Map of the Universe

Orcus

Dwarf planet · Trans-Neptunian dwarf planet

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Orcus
Picture: Hubble Space Telescope/Michael E. Brown (processing by Nrco0e at English Wikipedia), Public domain, via Wikimedia Commons.

About Orcus

On 2026-01-01, the date the map shows, Orcus was 48 AU from the Sun; sunlight takes 6.65 hours to reach it.

It goes round the Sun once every 246.8 years, at an average distance of 39.344 AU.

It is about 910 km across.

The map lists it as a dwarf planet and shows it in the Solar System part of the map, drawn on the plane of Earth’s orbit (the ecliptic).

Key numbers

Semi-major axis39.344 AU
Orbital period246.8 years
Eccentricity0.2215
Inclination20.56°
Radius455.0 km
Distance from the Sun48 AU

Where it is

Its place in the universe, from the inside out: Solar System › Orion–Cygnus Arm (Local Arm) › Milky Way › Local Group › Virgo Supercluster › Laniakea Supercluster › Observable universe.

Zoom out to see it in context: Neptune and the Kuiper belt, a view about 110 AU across.

From Wikipedia

Orcus is a dwarf planet located in the Kuiper belt, with one large moon, Vanth. It has an estimated diameter of 870 to 960 km, comparable to the Inner Solar System dwarf planet Ceres. The surface of Orcus is relatively bright with albedo reaching 23 percent, neutral in color, and rich in water ice.

Excerpt from the Wikipedia article Orcus (dwarf planet), licensed CC BY-SA 4.0.

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