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Stellar Occultation by (925) Alphonsina on 2017-03-25 (20:13:38 UT)



Event Details
 Occultation UUID [and db] : 39b31363-93f8-4e49-b3c8-7d8ab34cc448 [observed]

 Occultation Date + Time   : 2017-03-25 at 20:13:38 UT +/- 0.0 min  [1]
 Object Designation        : (925) Alphonsina
 Star Designation          : GDR3 0217328235692110080
 Star Coordinates (ICRF)   : RA = 03 39 55.6916, DE = +31 55 33.082  [2]
 Star Magnitudes           : G = 8.34 mag, RP = 7.34 mag, BP = 9.31 mag
 Object Magnitude          : V = 13.97 mag
 Estimated Magnitude Drop  : 5.6 mag
 Estimated Max. Duration   : 1.6 sec
 Object Mean Diameter      : 54 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 35.0 km/s
 Elongation to Moon & Sun  : 85° (sunlit = 7%), Sun = 56°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 3.88 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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