Contents.
asteroid: (123509)2000 WK183
satellites: companion
total number: 8
type: position
dates: 2005-2009
observatory: 250 - Hubble Space Telescope
568 - Mauna Kea (W.M. Keck observatory, Hawaii, USA)
Reference.
W.M. Grundy, K.S. Noll, F. Nimmoc, H.G. Roe, M.W. Buie,
S.B. Porter, S.D. Benecchi, D.C. Stephens, H.F. Levison,
J.A. Stansberry
Five new and three improved mutual orbits of transneptunian binaries.
Icarus. 2011. V. 213. P. 678–692.
2011Icar..213..678G
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 (see in publications)
receptor:
telescope:
Ntel 1 - WFPC2
Ntel 2 - Keck/NIRC2
Ntel 3 - ACS
Comments.
Format.
1. Year of the moment of observation
2. Month of the moment of observation
3. Day of the moment of observation
4. h - hour of the moment of observation with decimals
5. Ntel - number of telescope
6. r - the distance from the Sun to the target, au
7. R - the distance from the observer to the target, au
8. g - the phase angle - the solar phase angle, degrees
9. X - relative right ascension, arcsec
10. SigX - the error of X , arcsec
11. Y - relative declination, arcsec
12. SigY - the error of Y, 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
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Year Day h Ntel r R g X SigX Y SigY Vprim SigVp Vsec SigVs Nobs
Month AU AU grad arcsec arcsec arcsec arcsec magn magn
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