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Stellar Occultation by (489) Comacina on 2021-08-31 (01:33:58 UT)



Event Details
 Occultation UUID [and db] : 16fa0d4b-af88-46ab-a598-f35ddb1d080d [observed]

 Occultation Date + Time   : 2021-08-31 at 01:33:58 UT +/- 0.01 min  [1]
 Object Designation        : (489) Comacina
 Star Designation          : GDR3 3339187985735664512
 Star Coordinates (ICRF)   : RA = 05 25 07.1575, DE = +10 50 50.322  [2]
 Star Magnitudes           : G = 12.25 mag, RP = 11.62 mag, BP = 12.71 mag
 Object Magnitude          : V = 14.71 mag
 Estimated Magnitude Drop  : 2.6 mag
 Estimated Max. Duration   : 6.0 sec
 Object Mean Diameter      : 139 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 23.3 km/s
 Elongation to Moon & Sun  : 14° (sunlit = 43%), Sun = 77°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 1.33 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#134

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


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