Content asteroid:(617)Patroclus satellites: Menoetius (S/2001(617)1) total number: 7 type: position dates: 2013-2017 observatory: 568 - Mauna Kea 250 - HST Reference. Grundy, W. M.; Noll, K. S.; Buie, M. W.; Levison, H. F. The upcoming mutual event season for the Patroclus-Menoetius Trojan binary. Icarus, Volume 305, p. 198-202. 2018Icar..305..198G 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: HST telescope: HST Comments. 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. Seconde of the moment of observation 7. X, arcsec 8. error in X, arcsec 9. Y, arcsec 10. error in Y, arcsec 11. Observatory code (Obs code) ------------------------------------------------------------- Year Day min X err X Y err Y Obs Month hour sec arcsec arcsec arcsec arcsec code -------------------------------------------------------------