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Stellar Occultation by (19504) Vladalekseev on 2021-12-17 (21:05:52 UT)



Event Details
 Occultation UUID [and db] : bdf7738c-61d1-40ac-83ed-9508f101fd05 [observed]

 Occultation Date + Time   : 2021-12-17 at 21:05:52 UT +/- 0.02 min  [1]
 Object Designation        : (19504) Vladalekseev
 Star Designation          : GDR3 3341840213941603968
 Star Coordinates (ICRF)   : RA = 06 02 49.7737, DE = +10 38 29.700  [2]
 Star Magnitudes           : G = 12.1 mag, RP = 11.78 mag, BP = 12.26 mag
 Object Magnitude          : V = 17.57 mag
 Estimated Magnitude Drop  : 5.5 mag
 Estimated Max. Duration   : 0.6 sec
 Object Mean Diameter      : 8 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 13.2 km/s
 Elongation to Moon & Sun  : 23° (sunlit = 98%), Sun = 166°
 Cross-track uncertainty   : 1.7 mas = 2 km = 0.33 path-width (1-sig)
 RUWE and duplicate source : 1.04 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#47

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


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