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Stellar Occultation by (161201) 2002 TT254 on 2025-12-17 (20:52:39 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] : dea82d90-ddb8-11f0-547e-7779cbecfe56 [observed]

 Occultation Date + Time   : 2025-12-17 at 20:52:39 UT +/- 0.05 min  [1]
 Object Designation        : (161201) 2002 TT254
 Star Designation          : GDR3 3450951629010289920
 Star Coordinates (ICRF)   : RA = 05 55 51.4162, DE = +32 19 23.063  [2]
 Star Magnitudes           : G = 13.05 mag, RP = 12.15 mag, BP = 12.66 mag
 Object Magnitude          : V = 19.87 mag
 Estimated Magnitude Drop  : 6.8 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 16.0 km/s
 Object Mean Diameter      : 3.6 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.5333 arcs/min @ PA = 279 deg
 Horizontal Parallax       : 3.5440 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 153° (sunlit = 4%), Sun = 171°
 Cross-track uncertainty   : 21.0 mas = 37 km = 10.50 path-width (1-sig)
 RUWE and duplicate source : 41.58 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#33
 Note                      : FP:true

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


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