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Stellar Occultation by (1200) Imperatrix on 2021-07-16 (00:51:22 UT)



Event Details
 Occultation UUID [and db] : 91ff85f0-503a-4874-b6de-1908f944fc18 [observed]

 Occultation Date + Time   : 2021-07-16 at 00:51:22 UT +/- 0.04 min  [1]
 Object Designation        : (1200) Imperatrix
 Star Designation          : GDR3 4124561341803714944
 Star Coordinates (ICRF)   : RA = 17 29 38.9254, DE = -16 48 18.533  [2]
 Star Magnitudes           : G = 10.53 mag, RP = 10.09 mag, BP = 10.8 mag
 Object Magnitude          : V = 15.18 mag
 Estimated Magnitude Drop  : 4.7 mag
 Estimated Max. Duration   : 6.0 sec
 Object Mean Diameter      : 40 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 6.6 km/s
 Elongation to Moon & Sun  : 76° (sunlit = 35%), Sun = 148°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.78 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#70

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


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