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Stellar Occultation by (409) Aspasia on 2022-07-21 (20:44:30 UT)



Event Details
 Occultation UUID [and db] : c101a374-f63a-4b07-9b01-8ea0ff8139ba [observed]

 Occultation Date + Time   : 2022-07-21 at 20:44:30 UT +/- 0.02 min  [1]
 Object Designation        : (409) Aspasia
 Star Designation          : GDR3 4222824455452470016
 Star Coordinates (ICRF)   : RA = 20 20 16.8803, DE = -02 32 42.336  [2]
 Star Magnitudes           : G = 11.6 mag, RP = 10.96 mag, BP = 12.06 mag
 Object Magnitude          : V = 11.04 mag
 Estimated Magnitude Drop  : 0.5 mag
 Estimated Max. Duration   : 15.5 sec
 Object Mean Diameter      : 162 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 10.4 km/s
 Elongation to Moon & Sun  : 97° (sunlit = 37%), Sun = 162°
 Cross-track uncertainty   : 3.3 mas = 3 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 0.93 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#124

 Object is a <Gaia mass determination> target !

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


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