Content asteroid: (90482)Orcus satellite: Vanth total number: 18 type: position dates: 2009-2010 observatory: I08 - Cerro Burek Reference Ortiz J. L., Cikota A., Cikota S., Hestroffer D., Thirouin A., Morales N., Duffard R., Gil-Hutton R., Santos-Sanz P., de La Cueva I. A mid-term astrometric and photometric study of trans-Neptunian object (90482) Orcus. Astronomy and Astrophysics, Volume 525, id.A31, 12 pp.2011A%26A...525A..31O Informations. relative to: primary reference frame: astrometric ICRF centre of frame: topocentre epoch of equinox: J2000 time scale: UTC reduction: not available coordinates: (-Del(RA)) (secondary relative to primary) receptor: CCD telescope: HST HRC/ACS (High-Resolution Camera of the Advanced Camera for Surveys) Comment: Format 1. JD of the moment of observation 2. satellite E-W positions relative to Orcus (negative to the East), km -------------------------- JD (-Del(RA)) --------------------------