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Stellar Occultation by (409) Aspasia on 2018-11-09 (20:35:19 UT)



Event Details
 Occultation UUID [and db] : 2f99751c-e7c5-4b94-86b5-a25005cc1b17 [observed]

 Occultation Date + Time   : 2018-11-09 at 20:35:19 UT +/- 0.01 min  [1]
 Object Designation        : (409) Aspasia
 Star Designation          : GDR3 2685347801252967168
 Star Coordinates (ICRF)   : RA = 21 15 05.8698, DE = -03 06 18.973  [2]
 Star Magnitudes           : G = 12.61 mag, RP = 11.86 mag, BP = 12.69 mag
 Object Magnitude          : V = 12.57 mag
 Estimated Magnitude Drop  : 0.7 mag
 Estimated Max. Duration   : 9.5 sec
 Object Mean Diameter      : 162 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 17.1 km/s
 Elongation to Moon & Sun  : 66° (sunlit = 5%), Sun = 93°
 Cross-track uncertainty   : 3.9 mas = 6 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 0.98 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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