Orcus (minor-planet designation 90482 Orcus, provisional designation 2004 DW) is a trans-Neptunian dwarf planet with a large moon, Vanth. It has a diameter of 870 to 960 km (540 to 600 mi), the size of or somewhat smaller than the asteroid Ceres. The surface of Orcus is relatively bright with albedo reaching 23 … See more Discovery Orcus was discovered on 17 February 2004, by American astronomers Michael Brown of Caltech, Chad Trujillo of the Gemini Observatory, and David Rabinowitz of Yale University See more Size and magnitude The absolute magnitude of Orcus is approximately 2.3. The detection of Orcus by the Spitzer Space Telescope in the far infrared and by Herschel Space Telescope in submillimeter estimates its diameter at 958.4 km (595.5 mi), … See more • List of possible dwarf planets • List of trans-Neptunian objects • List of Solar System objects by size See more Orcus is in a 2:3 orbital resonance with Neptune, having an orbital period of 245 years, and is classified as a plutino. Its orbit is moderately inclined at 20.6 degrees to the ecliptic. Orcus's orbit is similar to Pluto's (both have perihelia above the ecliptic), … See more Orcus has one known moon, Vanth (full designation (90482) Orcus I Vanth). It was discovered by Michael Brown and T.-A. Suer using discovery … See more • MPEC 2004-D09 announcing the discovery but attributing it to Raymond J. Bambery, Steven H. Pravdo, Michael D. Hicks, Kenneth J. Lawrence, … See more WebMar 16, 2024 · For an object orbiting the sun, the average distance of the orbit is: Where: T is the period of the orbit, in this case, 285 years = 285* (3.154*10^7 s) G is the gravitational constant = 6.7*10^ (-11) N*m/kg M is the mass of the sun = 1.989*10^30 Replacing all that in the average distance equation we get: Now, we know that: 1 AU = 1.49*10^ (11) m
Perihelion and Aphelion - Windows to the Universe
http://www.spacetoday.org/SolSys/EightPlanets.html WebApproximately 9461 billion kilometers (or 63 241 times the distance between Earth and the Sun, also called astronomical units, is 149 597 870,700 km ). The light year, like parsec (about 3.26 light years), is mainly used for galactic distances. Below are the distances between the Sun and the planets belonging to the Solar System in light time. hr one houston police
The dwarf planet Orcus - Phys.org
WebJul 29, 2024 · On the other hand, it takes an average of 24 hours for one solar day on Earth, and it means that this is the duration it takes the sun to show up again in the same … WebDec 19, 2024 · Arrokoth 's orbit is located about 4 billion miles (6.6 billion kilometers) from the Sun, or roughly 1 billion miles (1.6 million kilometers) beyond Pluto. Its orbit is close to circular, and is inclined by only about 2.5 … WebOrcus definition, the ancient Roman god of the underworld, identified with the Greek Pluto, or Hades. See more. hobart indiana police non emergency