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Stellar Occultation by (925) Alphonsina on 2013-04-14 (20:01:05 UT)



Event Details
 Occultation UUID [and db] : 754ba4ee-055b-49e3-abb3-ecc7d894a4b6 [observed]

 Occultation Date + Time   : 2013-04-14 at 20:01:05 UT +/- 0.0 min  [1]
 Object Designation        : (925) Alphonsina
 Star Designation          : GDR3 3379065043389438080
 Star Coordinates (ICRF)   : RA = 06 40 41.9532, DE = +22 07 43.696  [2]
 Star Magnitudes           : G = 11.9 mag, RP = 11.03 mag, BP = 12.69 mag
 Object Magnitude          : V = 13.66 mag
 Estimated Magnitude Drop  : 2.0 mag
 Estimated Max. Duration   : 2.2 sec
 Object Mean Diameter      : 54 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 24.9 km/s
 Elongation to Moon & Sun  : 25° (sunlit = 18%), Sun = 74°
 Cross-track uncertainty   : 1.7 mas = 3 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 0.85 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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