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Stellar Occultation by (113834) 2002 TH231 on 2025-09-28 (19:14:45 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] : 785ce440-ddb8-11f0-547e-e8fe347dafcf [observed]

 Occultation Date + Time   : 2025-09-28 at 19:14:45 UT +/- 0.03 min  [1]
 Object Designation        : (113834) 2002 TH231
 Star Designation          : GDR3 6797669620128505344
 Star Coordinates (ICRF)   : RA = 20 28 11.7835, DE = -29 20 23.919  [2]
 Star Magnitudes           : G = 13.29 mag, RP = 12.57 mag, BP = 13.32 mag
 Object Magnitude          : V = 18.73 mag
 Estimated Magnitude Drop  : 5.5 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 7.1 km/s
 Object Mean Diameter      : 3.5 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.3850 arcs/min @ PA = 81 deg
 Horizontal Parallax       : 5.7180 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 40° (sunlit = 39%), Sun = 116°
 Cross-track uncertainty   : 1.3 mas = 1 km = 0.41 path-width (1-sig)
 RUWE and duplicate source : 7.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#43
 Note                      : FP:true

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


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