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Stellar Occultation by (270840) 2002 TH7 on 2024-09-17 (21:15:39 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] : 65e215e0-ddb5-11f0-547e-05d4f8fe8532 [observed]

 Occultation Date + Time   : 2024-09-17 at 21:15:39 UT +/- 0.05 min  [1]
 Object Designation        : (270840) 2002 TH7
 Star Designation          : GDR3 2587050465296948480
 Star Coordinates (ICRF)   : RA = 01 27 46.6263, DE = +12 56 34.580  [2]
 Star Magnitudes           : G = 11.61 mag, RP = 11.17 mag, BP = 11.88 mag
 Object Magnitude          : V = 20.05 mag
 Estimated Magnitude Drop  : 8.4 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 12.4 km/s
 Object Mean Diameter      : 3.2 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4483 arcs/min @ PA = 279 deg
 Horizontal Parallax       : 3.8550 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 33° (sunlit = 100%), Sun = 150°
 Cross-track uncertainty   : 23.3 mas = 38 km = 12.05 path-width (1-sig)
 RUWE and duplicate source : 6.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#35
 Note                      : FP:true

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


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