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Stellar Occultation by (379977) 2012 TN15 on 2025-12-01 (18:45:58 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] : caa7c940-ddb8-11f0-547e-db7bb7aff01c [observed]

 Occultation Date + Time   : 2025-12-01 at 18:45:58 UT +/- 0.05 min  [1]
 Object Designation        : (379977) 2012 TN15
 Star Designation          : GDR3 0219657409340125952
 Star Coordinates (ICRF)   : RA = 03 50 21.7839, DE = +35 02 15.820  [2]
 Star Magnitudes           : G = 11.82 mag, RP = 11.3 mag, BP = 12.17 mag
 Object Magnitude          : V = 19.7 mag
 Estimated Magnitude Drop  : 7.9 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 17.7 km/s
 Object Mean Diameter      : 9.8 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.3483 arcs/min @ PA = 267 deg
 Horizontal Parallax       : 2.0940 arcs
 Dynamical Class           : JTRO
 Elongation to Moon & Sun  : 39° (sunlit = 86%), Sun = 164°
 Cross-track uncertainty   : 10.0 mas = 30 km = 3.11 path-width (1-sig)
 RUWE and duplicate source : 1.91 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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