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Stellar Occultation by (257) Silesia on 1999-12-22 (05:37:53 UT)



Event Details
 Occultation UUID [and db] : 27f48b87-00e7-4b25-b4bc-00eae9890b6f [observed]

 Occultation Date + Time   : 1999-12-22 at 05:37:53 UT +/- 0.06 min  [1]
 Object Designation        : (257) Silesia
 Star Designation          : GDR3 3434082333203959424
 Star Coordinates (ICRF)   : RA = 06 33 04.9030, DE = +28 04 54.570  [2]
 Star Magnitudes           : G = 7.94 mag, RP = 7.79 mag, BP = 8.01 mag
 Object Magnitude          : V = 13.59 mag
 Estimated Magnitude Drop  : 5.7 mag
 Estimated Max. Duration   : 6.3 sec
 Object Mean Diameter      : 73 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 11.5 km/s
 Elongation to Moon & Sun  : 17° (sunlit = 100%), Sun = 171°
 Cross-track uncertainty   : 1.1 mas = 1 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.03 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#63

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


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