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Stellar Occultation by (76) Freia on 2023-05-29 (20:55:07 UT)

CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.


Event Details
 Occultation UUID [and db] : 2719cbf0-ddb0-11f0-547e-37adfeff99c8 [observed]

 Occultation Date + Time   : 2023-05-29 at 20:55:07 UT +/- 0.01 min  [1]
 Object Designation        : (76) Freia
 Star Designation          : GDR3 4118276498972243968
 Star Coordinates (ICRF)   : RA = 17 35 42.6638, DE = -20 58 54.852  [2]
 Star Magnitudes           : G = 11.82 mag, RP = 11.29 mag, BP = 12.17 mag
 Object Magnitude          : V = 13.73 mag
 Estimated Magnitude Drop  : 2.1 mag
 Estimated Max. Duration   : 12.7 sec
 Speed of the shadow       : 14.5 km/s
 Object Mean Diameter      : 183.7 km  (src: astorb) => apparent = 85 mas
 Apparent Motion           : 0.4033 arcs/min @ PA = 275 deg
 Horizontal Parallax       : 2.9620 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 81° (sunlit = 71%), Sun = 164°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.9 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#97
 Note                      : FP:true

 Object is a <Gaia mass determination> target !

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


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