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Stellar Occultation by (3731) Hancock on 2021-08-14 (23:36:11 UT)



Event Details
 Occultation UUID [and db] : be77219e-06b8-45ab-8f41-545ed0af20b9 [observed]

 Occultation Date + Time   : 2021-08-14 at 23:36:11 UT +/- 0.03 min  [1]
 Object Designation        : (3731) Hancock
 Star Designation          : GDR3 4212170363892659968
 Star Coordinates (ICRF)   : RA = 19 17 59.0145, DE = -04 56 15.194  [2]
 Star Magnitudes           : G = 14.87 mag, RP = 13.9 mag, BP = 15.86 mag
 Object Magnitude          : V = 16.29 mag
 Estimated Magnitude Drop  : 1.7 mag
 Estimated Max. Duration   : 4.7 sec
 Object Mean Diameter      : 49 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 10.5 km/s
 Elongation to Moon & Sun  : 67° (sunlit = 43%), Sun = 144°
 Cross-track uncertainty   : 5.0 mas = 9 km = 0.19 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#50

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


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