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Stellar Occultation by (3026) Sarastro on 2023-05-21 (21:40:33 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] : 9a8901c0-ddb3-11f0-547e-6f867be6bc79 [observed]

 Occultation Date + Time   : 2023-05-21 at 21:40:33 UT +/- 0.0 min  [1]
 Object Designation        : (3026) Sarastro
 Star Designation          : GDR3 4139735396833563648
 Star Coordinates (ICRF)   : RA = 17 06 06.0733, DE = -14 27 41.001  [2]
 Star Magnitudes           : G = 12.63 mag, RP = 11.69 mag, BP = 13.54 mag
 Object Magnitude          : V = 16.39 mag
 Estimated Magnitude Drop  : 3.8 mag
 Estimated Max. Duration   : 1.8 sec
 Speed of the shadow       : 11.6 km/s
 Object Mean Diameter      : 21.3 km  (src: astorb) => apparent = 14 mas
 Apparent Motion           : 0.4717 arcs/min @ PA = 292 deg
 Horizontal Parallax       : 4.3150 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 164° (sunlit = 5%), Sun = 162°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 0.92 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL76
 Note                      : FP:true

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


More Data and Informations
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