Contents. asteroid: (120347)Salacia satellites: Actaea total number: 10 type: position dates: 2006-2010 observatory: 250 - Hubble Space Telescope 568 - Mauna Kea (W.M. Keck observatory, Hawaii, USA) Reference. J.A. Stansberry, W.M. Grundy, M. Mueller, S.D. Benecchi, G.H. Rieke, K.S. Noll, M.W. Buie, H.F. Levison, S.B. Porter, H.G. Roe. Physical properties of trans-neptunian binaries (120347) Salacia–Actaea and (42355) Typhon–Echidna. Icarus. 2012. V. 219. P. 676–688. 2012Icar..219..676S 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 (secondary relative to primary) diff. refraction: no information telescope: Ntel 1 - Hubble ACS/HRC Ntel 2 - Hubble WFPC2/PC Ntel 3 - Keck NIRC2 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 with decimals, h 5. Number of telescope, Ntel 6. r (au) 7. R (au) 8. g (deg) 9. X (arcsec) 10. SigX (arcsec) 11. Y (arcsec) 12. SigY (arcsec) 13. Vprim - visual magnitude for primary body, -99.9 if value is not given 14. sigVp - estimated uncertainties of Vprim, 0.0 if value is not given 15. Vsec - visual magnitude for secondary body, -99.9 if value is not given 16. SigVs - estimated uncertainties of Vsec, 0.0 if value is not given 17. Nobs- code of observatory ------------------------------------------------------------------------------------------------------------------------ Year Day h Ntel r R g X SigX Y SigY Vprim SigVp Vsec SigVs Nobs Month au au deg arcsec arcsec arcsec arcsec -------------------------------------------------------------------------------------------------------------------------