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Stellar Occultation by (925) Alphonsina on 2022-01-19 (20:43:24 UT)



Event Details
 Occultation UUID [and db] : 55996171-e71d-4932-af22-8006c4d23fd0 [observed]

 Occultation Date + Time   : 2022-01-19 at 20:43:24 UT +/- 0.01 min  [1]
 Object Designation        : (925) Alphonsina
 Star Designation          : GDR3 0871414470260310016
 Star Coordinates (ICRF)   : RA = 07 19 12.4006, DE = +26 47 36.152  [2]
 Star Magnitudes           : G = 11.92 mag, RP = 10.79 mag, BP = 13.28 mag
 Object Magnitude          : V = 11.88 mag
 Estimated Magnitude Drop  : 0.7 mag
 Estimated Max. Duration   : 4.0 sec
 Object Mean Diameter      : 54 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 13.7 km/s
 Elongation to Moon & Sun  : 33° (sunlit = 97%), Sun = 167°
 Cross-track uncertainty   : 4.3 mas = 4 km = 0.09 path-width (1-sig)
 RUWE and duplicate source : 1.23 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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