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Stellar Occultation by (3772) Piaf on 2022-05-16 (21:11:28 UT)



Event Details
 Occultation UUID [and db] : 4b9b4b26-6591-427a-a9d7-f39da2d3d1e1 [observed]

 Occultation Date + Time   : 2022-05-16 at 21:11:28 UT +/- 0.02 min  [1]
 Object Designation        : (3772) Piaf
 Star Designation          : GDR3 4397042352046918400
 Star Coordinates (ICRF)   : RA = 15 37 32.8004, DE = -06 47 44.763  [2]
 Star Magnitudes           : G = 13.3 mag, RP = 12.76 mag, BP = 13.66 mag
 Object Magnitude          : V = 15.55 mag
 Estimated Magnitude Drop  : 2.4 mag
 Estimated Max. Duration   : 1.5 sec
 Object Mean Diameter      : 18 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 12.2 km/s
 Elongation to Moon & Sun  : 18° (sunlit = 99%), Sun = 168°
 Cross-track uncertainty   : 4.0 mas = 5 km = 0.31 path-width (1-sig)
 RUWE and duplicate source : 1.12 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#62

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


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