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Stellar Occultation by (40855) 1999 TG108 on 2026-08-25 (22:33:33 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] : 90c6a370-d9ae-11f1-43f3-bfcacf5a1fc1 [observed]

 Occultation Date + Time   : 2026-08-25 at 22:33:33 UT +/- 0.02 min  [1]
 Object Designation        : (40855) 1999 TG108
 Star Designation          : GDR3 2764690553179597824
 Star Coordinates (ICRF)   : RA = 23 38 45.2120, DE = +12 34 36.410  [2]
 Star Magnitudes           : G = 11.13 mag, RP = 10.64 mag, BP = 11.45 mag
 Object Magnitude          : V = 18.14 mag
 Estimated Magnitude Drop  : 7.0 mag
 Estimated Max. Duration   : 0.8 sec
 Speed of the shadow       : 8.9 km/s
 Object Mean Diameter      : 6.7 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.3583 arcs/min @ PA = 258 deg
 Horizontal Parallax       : 4.2640 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 55° (sunlit = 95%), Sun = 150°
 Cross-track uncertainty   : 2.0 mas = 2 km = 0.45 path-width (1-sig)
 RUWE and duplicate source : 1.42 mas, dup.src = 1  (0:false, 1:true)

 Ephemeris Reference       : JPL53
 Note                      : FP:true

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


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