Content
asteroid: 1999 OJ4
satellite: companion
total number: 7
type: position
dates: 2002-2007
observatory: 250 - Hubble Space Telescope (HST)
Reference
Grundy, W. M.; Noll, K. S.; Buie, M. W.; Benecchi, S. D.; Stephens, D. C.;
Levison, H. F.
Mutual orbits and masses of six transneptunian binaries.
Icarus. 2009. V. 200. Issue 2. P. 627-635.
2009Icar..200..627G
Informations.
relative to: primary
reference frame: astrometric ICRF
centre of frame: topocentre
epoch of equinox: J2000
time scale: UTC
reduction: not available
coordinates: r, R, g, X, Y (secondary relative to primary)
receptor: CCD
telescope: 1 - HST HRC/ACS (High-Resolution Camera of the Advanced Camera for Surveys)
2 - HST WFPC2/PC (Planetary Camera of the Wide Field and Planetary Camera 2)
3 - HST NICMOS (Near Infrared Camera and Multi-Object Spectrometer)
Comment:
1."0.0" means the absence of data
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
5. Ntel - the number of telescope
6. r(au) - the distance from the Sun to the target
7. R(au) - the distance from the observer to the target
8. g(deg) - the phase angle, the angular separation between the observer and Sun as seen from the target
9. X(arcsec) - relative right ascension.
10. sigma(X)(arcsec) - 1-sigma uncertainties X
11. Y(arcsec) - relative declination
12. sigma(Y)(arcsec) - 1-sigma uncertainties Y
13. Vprim - visual magnitude for primary body
14. sig(Vprim) - 1-sigma uncertainties Vprim
15. Vsec - visual magnitude for secondary body
16. sig(Vsec) - 1-sigma uncertainties Vsec
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Year Day hour Ntel r R g X sigma(X) Y sigma(Y) Vprim sig(Vprim) Vsec sig(Vsec)
Month AU AU deg arcsec arcsec arcsec arcsec mag mag mag mag
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