Contents. asteroid: (66652)Borasisi satellites: Pabu total number: 5 type: position dates: 2003-2003 observatory: 250 - Hubble Space Telescope Reference. K. S. Nolla, D. C. Stephensa, W. M. Grundyb, I. Griffinc. The orbit, mass, and albedo of transneptunian binary (66652) 1999 RZ253 Icarus. 2004. V. 172. Issue 2. P. 402–407. 2004Icar..172..402N 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 - the distance from the companion to the target, g -position angle diff. refraction: no information receptor: telescope: Ntel 1 - NIC2 Ntel 2 - ACS/HRC Comments The binary has been resolved at five of these seven epochs, and the remaining two provide upper limits 0.1 Format 1. Year of the moment of observation 2. Month of the moment of observation 3. Day of the moment of observation with decimals 4. Number of telescope, Ntel 5. X - the distance from the companion to the target, arcsec 6. SigX - the error of X, arcsec 7. g - position angle, degrees 8. Sig g - the error of g, degrees 9. r - the distance from the Sun to the target, au 10. R - the distance from the observer to the target, au ------------------------------------------------------------------- Year Day Ntel X SigX g Sig g r R Month arcsec arcsec deg deg au au -------------------------------------------------------------------