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Stellar Occultation by (280069) 2002 CB156 on 2024-09-18 (19:42:42 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] : 6811a010-ddb5-11f0-547e-7993774fc720 [observed]

 Occultation Date + Time   : 2024-09-18 at 19:42:42 UT +/- 0.33 min  [1]
 Object Designation        : (280069) 2002 CB156
 Star Designation          : GDR3 6799300951786244224
 Star Coordinates (ICRF)   : RA = 20 43 11.1268, DE = -26 14 11.159  [2]
 Star Magnitudes           : G = 13.13 mag, RP = 12.47 mag, BP = 13.63 mag
 Object Magnitude          : V = 20.36 mag
 Estimated Magnitude Drop  : 7.2 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 4.8 km/s
 Object Mean Diameter      : 2.0 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.2217 arcs/min @ PA = 339 deg
 Horizontal Parallax       : 4.8930 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 61° (sunlit = 99%), Sun = 129°
 Cross-track uncertainty   : 21.0 mas = 27 km = 13.69 path-width (1-sig)
 RUWE and duplicate source : 1.02 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#34
 Note                      : FP:true

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


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