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Stellar Occultation by (2681) Ostrovskij on 2022-03-27 (21:41:00 UT)



Event Details
 Occultation UUID [and db] : b0d4e7e4-9c35-4efc-9a26-7e6ee45242a8 [observed]

 Occultation Date + Time   : 2022-03-27 at 21:41:00 UT +/- 0.01 min  [1]
 Object Designation        : (2681) Ostrovskij
 Star Designation          : GDR3 3419701889342646016
 Star Coordinates (ICRF)   : RA = 04 56 50.4281, DE = +24 41 52.906  [2]
 Star Magnitudes           : G = 12.27 mag, RP = 11.36 mag, BP = 13.13 mag
 Object Magnitude          : V = 17.32 mag
 Estimated Magnitude Drop  : 5.1 mag
 Estimated Max. Duration   : 0.4 sec
 Object Mean Diameter      : 11 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 29.1 km/s
 Elongation to Moon & Sun  : 124° (sunlit = 21%), Sun = 68°
 Cross-track uncertainty   : 1.7 mas = 2 km = 0.28 path-width (1-sig)
 RUWE and duplicate source : 1.55 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#58

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


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