NASA JPL has not classified Orcus as potentially hazardous because its orbit does not bring it close to Earth. We study the surface properties of trans-Neptunian populations of solar system bodies. (Wikilink as in original; “Vanth (moon)” redirects to “90482 Orcus”.) It is also a dwarf planet. It was found by Michael Brown, Chad Trujillo and David Rabinowitz on February 17, 2004. We adopt p V = 0.27 and D = 850 km as our best estimate of the albedo and diameter of Orcus using single terrain models. Results: We present results for the two targets, (90482) Orcus and (136472) Makemake, observed with SPIRE and for one of those targets, Makemake, observed with PACS. 90482 Orcus : Discovered 2004 Feb. 17 by M. Brown, C. Trujillo and D. Rabinowitz: Orcus was the Roman god of death, the counterpart of the Greek Pluto. 90482 Orcus is a Kuiper belt object with a large moon, Vanth.It was discovered on February 17, 2004 by Michael Brown of Caltech, Chad Trujillo of the Gemini Observatory, and David Rabinowitz of Yale University. Observations were made at five sites in North and South America: the 0.6-m Astronomical Telescope … Meanwhile, the article Vanth has a hatnote: For the moon, see Vanth (moon). Orcus orbits the sun every 89,400 days (244.76 years), coming as close as 30.21 … The location of Orcus is shown in the green circle (top, left). DRAFT OF ACCEPTED MANUSCRIPT 2 Abstract: A stellar occultation by the large trans-Neptunian object (90482) Orcus was predicted to occur on 2017 March 07. It was also seen in pictures from November 8, 1951. The location of Orcus is shown in the green circle (top, left). The discovery images of Orcus were acquired on February 17, 2004. precovery images as early as November 8, 1951 were later identified. Credit: NASA. Orcus collected the dead and carried them back to the underworld that he ruled. Size, Mass and Orbit: Given its distance, estimates of Orcus’ diameter and mass have varied over time. Precovery images as early as November 8, 1951 were later identified. Methods: Using the FORS2 instrument of the ESO-VLT, we carried out linear polarisation measurements of Makemake and Orcus. Context. 90482 Orcus este un obiect din Centura Kuiper cu un satelit de dimensiuni mari (comparativ cu dimensiunile corpului „părinte”) numit Vanth.A fost descoperit pe 17 februarie 2004 de Michael E. Brown de la Caltech, Chad Trujillo de la Observatorul Gemini și David Rabinowitz de la Universitatea Yale.Au fost identificate imagini ale obiectului încă din 1951 (). Orcus is a dwarf planet whose orbit extends beyond the orbit of Neptune. 90482 Orcus. 90482 Orcus. 90482 Orcus, originally known by the provisional designation 2004 DW, is a Kuiper belt object (KBO). The Kuiper belt object 90482 Orcus is named after Orcus. This was because Orcus was sometimes considered to be another name for Pluto, and also because Pluto and 90482 Orcus are both plutinos. Orcus (originally known by the provisional designation 2004 DW) is a Kuiper belt object.Orcus was discovered by Michael Brown of Caltech, Chad Trujillo of the Gemini Observatory, and David Rabinowitz of Yale University. Aims: We investigate the surface characteristics of the dwarf planet (136472) Makemake and the resonant object (90482) Orcus. A stellar occultation by the large trans-Neptunian object (90482) Orcus was predicted to occur on 2017 March 07. ( 136472 ) Makemake and the resonant object ( KBO ) Orcus, originally known by the provisional designation DW. 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