Content
asteroid: (90482)Orcus
satellites: companion
total number: 1
type: position
dates: 2005-2005
observatory: 250 - Hubble Space Telescope
Reference.
Brown M. E., Suer T.-A.
Satellites of 2003 AZ_84, (50000), (55637), and (90482).
IAU Circ., No. 8812, #1 (2007).
2007IAUC.8812....1B
Informations.
relative to: the primary
reference frame: astrometric ICRF
centre of frame: topocentric
epoch of equinox: J2000
time scale: UTC
reduction: no information
coordinates: separation - s, pos. angle - p (secondary relative to the primary)
diff. refraction: no information
receptor: CCD HST
telescope: High Resolution Camera (+ F606W filter)
Comments.
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. s -separation, arcsec
5. Sig s - the error of s , arcsec
6. p - position angle, degree
7. Sig p - the error of p , degree
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Year Day s Sig s p Sig p
Month arcsec arcsec deg deg
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