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Stellar Occultation by (2400) Derevskaya on 2021-12-26 (22:06:02 UT)



Event Details
 Occultation UUID [and db] : bc3174a3-aecb-4844-ac69-a7915c0a9f1b [observed]

 Occultation Date + Time   : 2021-12-26 at 22:06:02 UT +/- 0.02 min  [1]
 Object Designation        : (2400) Derevskaya
 Star Designation          : GDR3 3154469070198999424
 Star Coordinates (ICRF)   : RA = 07 10 53.4275, DE = +08 42 30.989  [2]
 Star Magnitudes           : G = 12.1 mag, RP = 11.42 mag, BP = 12.64 mag
 Object Magnitude          : V = 17.05 mag
 Estimated Magnitude Drop  : 5.0 mag
 Estimated Max. Duration   : 0.9 sec
 Object Mean Diameter      : 13 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 13.9 km/s
 Elongation to Moon & Sun  : 77° (sunlit = 52%), Sun = 161°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.09 path-width (1-sig)
 RUWE and duplicate source : 0.93 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#57

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


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