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Stellar Occultation by (971) Alsatia on 2020-10-24 (01:51:48 UT)



Event Details
 Occultation UUID [and db] : 48e95414-27b1-473d-a634-323cf73347b4 [observed]

 Occultation Date + Time   : 2020-10-24 at 01:51:48 UT +/- 0.01 min  [1]
 Object Designation        : (971) Alsatia
 Star Designation          : GDR3 3377828298966887552
 Star Coordinates (ICRF)   : RA = 06 44 02.9234, DE = +20 26 35.208  [2]
 Star Magnitudes           : G = 12.81 mag, RP = 12.61 mag, BP = 12.93 mag
 Object Magnitude          : V = 14.1 mag
 Estimated Magnitude Drop  : 1.6 mag
 Estimated Max. Duration   : 6.9 sec
 Object Mean Diameter      : 64 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 9.3 km/s
 Elongation to Moon & Sun  : 152° (sunlit = 56%), Sun = 111°
 Cross-track uncertainty   : 1.7 mas = 2 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 0.93 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#63

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


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