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Stellar Occultation by (23880) Tongil on 2024-10-09 (19:10:17 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] : 7ed1e7b0-ddb5-11f0-547e-6b2f0ffb3d97 [observed]

 Occultation Date + Time   : 2024-10-09 at 19:10:17 UT +/- 0.01 min  [1]
 Object Designation        : (23880) Tongil
 Star Designation          : GDR3 6896866219153886592
 Star Coordinates (ICRF)   : RA = 21 13 09.5187, DE = -08 36 41.474  [2]
 Star Magnitudes           : G = 10.39 mag, RP = 9.65 mag, BP = 11.01 mag
 Object Magnitude          : V = 16.71 mag
 Estimated Magnitude Drop  : 6.3 mag
 Estimated Max. Duration   : 1.2 sec
 Speed of the shadow       : 7.6 km/s
 Object Mean Diameter      : 8.9 km  (src: astorb) => apparent = 8 mas
 Apparent Motion           : 0.4033 arcs/min @ PA = 132 deg
 Horizontal Parallax       : 5.6400 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 45° (sunlit = 40%), Sun = 121°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#67
 Note                      : FP:true

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


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