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Stellar Occultation by (181953) 1999 TH245 on 2026-09-18 (20:03:49 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] : eae4a300-d9b0-11f1-43f3-b2a1effbe471 [observed]

 Occultation Date + Time   : 2026-09-18 at 20:03:49 UT +/- 0.19 min  [1]
 Object Designation        : (181953) 1999 TH245
 Star Designation          : GDR3 6753103802515217152
 Star Coordinates (ICRF)   : RA = 19 39 53.8202, DE = -27 55 21.501  [2]
 Star Magnitudes           : G = 14.59 mag, RP = 14.03 mag, BP = 14.98 mag
 Object Magnitude          : V = 20.24 mag
 Estimated Magnitude Drop  : 5.7 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 6.2 km/s
 Object Mean Diameter      : 2.7 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.2417 arcs/min @ PA = 51 deg
 Horizontal Parallax       : 4.1770 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 26° (sunlit = 50%), Sun = 116°
 Cross-track uncertainty   : 6.0 mas = 9 km = 3.39 path-width (1-sig)
 RUWE and duplicate source : 0.91 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL37
 Note                      : FP:true

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


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