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Stellar Occultation by (2509) Chukotka on 2024-12-29 (02:26:31 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] : 64154c80-ddb2-11f0-547e-2b571feeadfd [observed]

 Occultation Date + Time   : 2024-12-29 at 02:26:31 UT +/- 0.0 min  [1]
 Object Designation        : (2509) Chukotka
 Star Designation          : GDR3 3443030919042502784
 Star Coordinates (ICRF)   : RA = 05 49 05.6430, DE = +27 44 38.860  [2]
 Star Magnitudes           : G = 14.48 mag, RP = 13.94 mag, BP = 14.85 mag
 Object Magnitude          : V = 16.48 mag
 Estimated Magnitude Drop  : 2.2 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 12.1 km/s
 Object Mean Diameter      : 8.8 km  (src: astorb) => apparent = 7 mas
 Apparent Motion           : 0.6133 arcs/min @ PA = 266 deg
 Horizontal Parallax       : 5.3730 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 168° (sunlit = 4%), Sun = 169°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 0.99 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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