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Stellar Occultation by (3128) Obruchev on 2021-04-23 (20:33:23 UT)



Event Details
 Occultation UUID [and db] : 2a21c1ac-b1dd-4ff2-865a-bc150ef45e56 [observed]

 Occultation Date + Time   : 2021-04-23 at 20:33:23 UT +/- 0.01 min  [1]
 Object Designation        : (3128) Obruchev
 Star Designation          : GDR3 3415254953221068928
 Star Coordinates (ICRF)   : RA = 05 06 51.7187, DE = +22 18 07.413  [2]
 Star Magnitudes           : G = 12.41 mag, RP = 11.87 mag, BP = 12.78 mag
 Object Magnitude          : V = 18.87 mag
 Estimated Magnitude Drop  : 6.5 mag
 Estimated Max. Duration   : 0.3 sec
 Object Mean Diameter      : 12 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 35.4 km/s
 Elongation to Moon & Sun  : 91° (sunlit = 85%), Sun = 44°
 Cross-track uncertainty   : 0.7 mas = 2 km = 0.18 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#59

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


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