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Stellar Occultation by (8917) Tianjindaxue on 2022-02-08 (21:34:10 UT)



Event Details
 Occultation UUID [and db] : 7538f382-49a8-4a4b-9401-cc13eb290858 [observed]

 Occultation Date + Time   : 2022-02-08 at 21:34:10 UT +/- 0.03 min  [1]
 Object Designation        : (8917) Tianjindaxue
 Star Designation          : GDR3 3754213836644125440
 Star Coordinates (ICRF)   : RA = 10 31 03.5432, DE = -12 45 24.344  [2]
 Star Magnitudes           : G = 12.25 mag, RP = 11.83 mag, BP = 12.52 mag
 Object Magnitude          : V = 16.59 mag
 Estimated Magnitude Drop  : 4.4 mag
 Estimated Max. Duration   : 1.5 sec
 Object Mean Diameter      : 18 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 12.2 km/s
 Elongation to Moon & Sun  : 109° (sunlit = 53%), Sun = 149°
 Cross-track uncertainty   : 5.7 mas = 10 km = 0.57 path-width (1-sig)
 RUWE and duplicate source : 1.28 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#61

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


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