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Stellar Occultation by (1350) Rosselia on 2023-12-17 (04:15:18 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] : 4745bd90-ddb4-11f0-547e-9a49fb6a25b8 [observed]

 Occultation Date + Time   : 2023-12-17 at 04:15:18 UT +/- 0.0 min  [1]
 Object Designation        : (1350) Rosselia
 Star Designation          : GDR3 3618251462864043392
 Star Coordinates (ICRF)   : RA = 13 43 53.7772, DE = -08 33 15.725  [2]
 Star Magnitudes           : G = 12.43 mag, RP = 11.97 mag, BP = 12.73 mag
 Object Magnitude          : V = 16.75 mag
 Estimated Magnitude Drop  : 4.3 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 31.7 km/s
 Object Mean Diameter      : 23.4 km  (src: astorb) => apparent = 9 mas
 Apparent Motion           : 0.7450 arcs/min @ PA = 109 deg
 Horizontal Parallax       : 2.4980 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 114° (sunlit = 22%), Sun = 58°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL79
 Note                      : FP:true

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


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