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Stellar Occultation by (925) Alphonsina on 2020-07-13 (01:23:07 UT)



Event Details
 Occultation UUID [and db] : 90702a3a-3881-4b67-9f53-9765b0f8b6e0 [observed]

 Occultation Date + Time   : 2020-07-13 at 01:23:07 UT +/- 0.02 min  [1]
 Object Designation        : (925) Alphonsina
 Star Designation          : GDR3 2822304000401936512
 Star Coordinates (ICRF)   : RA = 23 55 18.4777, DE = +19 31 59.906  [2]
 Star Magnitudes           : G = 10.66 mag, RP = 9.85 mag, BP = 11.18 mag
 Object Magnitude          : V = 13.82 mag
 Estimated Magnitude Drop  : 3.2 mag
 Estimated Max. Duration   : 3.8 sec
 Object Mean Diameter      : 54 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 14.3 km/s
 Elongation to Moon & Sun  : 27° (sunlit = 49%), Sun = 103°
 Cross-track uncertainty   : 2.0 mas = 3 km = 0.07 path-width (1-sig)
 RUWE and duplicate source : 3.67 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#118

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


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