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Stellar Occultation by (203) Pompeja on 2023-09-19 (19:35:40 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] : 7a3e9630-ddb0-11f0-547e-575ad7d6c363 [observed]

 Occultation Date + Time   : 2023-09-19 at 19:35:40 UT +/- 0.0 min  [1]
 Object Designation        : (203) Pompeja
 Star Designation          : GDR3 4064624630895315840
 Star Coordinates (ICRF)   : RA = 18 11 02.2820, DE = -26 17 37.109  [2]
 Star Magnitudes           : G = 14.3 mag, RP = 13.07 mag, BP = 15.98 mag
 Object Magnitude          : V = 14.18 mag
 Estimated Magnitude Drop  : 0.7 mag
 Estimated Max. Duration   : 8.6 sec
 Speed of the shadow       : 13.5 km/s
 Object Mean Diameter      : 116.3 km  (src: astorb) => apparent = 64 mas
 Apparent Motion           : 0.4450 arcs/min @ PA = 82 deg
 Horizontal Parallax       : 3.5130 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 42° (sunlit = 20%), Sun = 96°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.9 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#149
 Note                      : FP:true

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


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