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Stellar Occultation by (118427) 1999 TM148 on 2025-09-21 (18:35:52 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] : 79b87210-ddb7-11f0-547e-5a45b7fd09e1 [observed]

 Occultation Date + Time   : 2025-09-21 at 18:35:52 UT +/- 0.01 min  [1]
 Object Designation        : (118427) 1999 TM148
 Star Designation          : GDR3 6762039426135623168
 Star Coordinates (ICRF)   : RA = 18 55 24.3788, DE = -28 13 30.607  [2]
 Star Magnitudes           : G = 11.27 mag, RP = 10.25 mag, BP = 12.34 mag
 Object Magnitude          : V = 19.99 mag
 Estimated Magnitude Drop  : 8.7 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 12.0 km/s
 Object Mean Diameter      : 3.1 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4600 arcs/min @ PA = 68 deg
 Horizontal Parallax       : 4.0920 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 104° (sunlit = 0%), Sun = 103°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.35 path-width (1-sig)
 RUWE and duplicate source : 0.91 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL40
 Note                      : FP:true

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


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