Contents. asteroid: (90)Antiope satellite: S/2000(90)1 total number: 26 type: position dates: 2003-2005 observatory: 309 - Cerro Paranal (The European Southern Observatory, Paranal, Chile) 568 - Mauna Kea (W.M. Keck observatory, Hawaii, USA). Reference. Descamps,P.; Marchis,F.; Michalowski,T.; Vachier,F.; Colas,F.; Berthier,J.; Assafin,M.; Dunckel,P.B.; Polinska,M.; Pych,W.; D.Hestroffer, K.P.M.Miller, R.Vieira-Martins, M.Birlan, J.-P.Teng-Chuen-Yu, A.Peyrot, B.Payet, J.Dorseuil, Y.Leonie, T.Dijoux Figure of the double Asteroid 90 Antiope from adaptive optics and lightcurve observations. Icarus. 2007. V. 187. P. 482–499. 2007Icar..187..482D Informations. relative to: primary reference frame: astrometric ICRF centre of frame: topocentre epoch of equinox: J2000 time scale: UTC reduction: not available coordinates: X, Y (secondary relative to primary) receptor: CCD telescope: 1 - Yepun-VLT (NAOS-CONICA adaptive optics system) 2 - Keck AO telescope Comments. no Format. 1. Year of the moment of observation 2. Month of the moment of observation 3. Day of the moment of observation 4. Hour of the moment of observation 5. Minute of the moment of observation 6. Second of the moment of observation 7. X(arcsec) - relative right ascension 8. Y(arcsec) - relative declination 9. O–C(X)(arcsec) - difference between the observed and predicted positions of orbital model 10. O–C(Y)(arcsec) - difference between the observed and predicted positions of orbital model 11. Ntel - number of telescope 12. Code - Code of observatory ----------------------------------------------------------- Year h X Y O–C(X) O–C(Y Ntel Code Month m arcsec arcsec arcsec arcsec Day s ------------------------------------------------------------