Content asteroid:(617)Patroclus satellites: Menoetius (S/2001(617)1) total number: 14 type: position dates: 2001-2005 observatory: 568 - Mauna Kea Reference. 1. Roth, K. C.; Guyon, O.; Chun, M.; Jensen, J. B.; Jorgensen, I.; Rigaut, F.; Walther, D. M. Hokupa'a Performance and Point Spread Function Characterization. Bulletin of the American Astronomical Society, Vol. 33, p.785 (2001). 2001AAS...198.0202R 2. Marchis F. et al. A low density of 0.8 g cm-3 for the Trojan binary asteroid 617 Patroclus. Nature, Vol. 439, Issue 7076, pp. 565-567 (2006). 2006Natur.439..565M Informations. relative to: the primary reference frame: astrometric ICRF centre of frame: topocentric epoch of equinox: J2000 time scale: UTC reduction: no information coordinates: X, Y diff. refraction: no information receptor: 1. Hokupa'a adaptive optics system + QUIRC infrared detector 2. LGS adaptive optics system + NIRC2 near-infrared camera telescope: 1. 8-m Gemini North telescope 2. Keck II 10-m telescope Comments. First two lines seem to correspond to observations given in the portion abin0079. 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 8. residual mean square fitting error in X, arcsec 9. Y, arcsec 10. residual mean square fitting error in Y, arcsec 11. Telescope and receptor (1: Gemini North + Hokupa'a + QUIRC; 2: Keck II + LGS + NIRC2) ---------------------------------------------------------- Year Day min X err X Y err Y Tel Month hour sec arcsec arcsec arcsec arcsec ----------------------------------------------------------