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Stellar Occultation by (24) Themis on 1999-08-03 (02:36:45 UT)



Event Details
 Occultation UUID [and db] : c970e3dd-f485-4268-b8ec-02a90e066fae [observed]

 Occultation Date + Time   : 1999-08-03 at 02:36:45 UT +/- 0.02 min  [1]
 Object Designation        : (24) Themis
 Star Designation          : GDR3 6854216747231397632
 Star Coordinates (ICRF)   : RA = 20 11 20.4117, DE = -21 06 29.913  [2]
 Star Magnitudes           : G = 10.29 mag, RP = 9.54 mag, BP = 10.91 mag
 Object Magnitude          : V = 12.27 mag
 Estimated Magnitude Drop  : 2.1 mag
 Estimated Max. Duration   : 8.7 sec
 Object Mean Diameter      : 121 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 14.0 km/s
 Elongation to Moon & Sun  : 79° (sunlit = 68%), Sun = 170°
 Cross-track uncertainty   : 2.7 mas = 4 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 1.16 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#140

 Object is a <Gaia mass determination> target !

 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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