Content
asteroid: (45)Eugenia
satellites: 1 - Petit–Prince: 38
2 - Princesse: 6
total number: 44
type: position
dates: 1998-2007
observatory: 309 - Cerro Paranal (European Southern Observatory, Chile)
568 - Mauna Kea (W.M. Keck observatory, the Canada–France–Hawaii Telescope, Hawaii, USA)
Reference.
F. Marchis, V. Lainey , P. Descamps , J. Berthier , M. Van Dam ,
I. M. Baek, D. Le Mignant, H.B. Hammel, M. Showalter, F. Vachier, 2010
A dynamical solution of the triple asteroid system (45) Eugenia
Icarus. 2010. V. 210. P. 635–643.
2010Icar..210..635M
Information
relative to: primary
reference frame: astrometric ICRF
centre of frame: topocentre
epoch of equinox: J2000
time scale: UTC
reduction: not available
coordinates: X, Y (secondary relative to primary)
receptor: CCD
telescope: 1 – VLT-UT4 8m (NAOS-CONICA adaptive optics system)
2 – Keck 10m with AO system
3 - 3.6m CFHT (the Canada-France-Hawaii Telescope AO system)
Comments. 1.The diameters of the moons are estimated by assuming the same surface composition,
hence albedo, between the primary and the moons.
2. "0.0" means the absence of the parameters.
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
5. Minute of the moment of observation
6. Second of the moment of observation
7. Nsat - number of satellite
8. Ntel - number of telescope
9. Code - Code of observatory
10. X(arcsec) - relative right ascension
11. sigmaX(arcsec) - RMS (root mean square error)
12 Y(arcsec) - relative declination
13. sigmaY(arcsec) - RMS (root mean square error)
14. D (km) - diameter of satellite (km)
15. Elong - Elongation (deg)
16. Phase (deg)
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Year h Nsat Ntel Code X sigmaX Y sigmaY D Elong Phase
Month m arcsec arcsec arcsec arcsec km deg deg
Day s
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