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Stellar Occultation by (222183) 2000 CO61 on 2025-10-28 (18:45:23 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] : a3cf7b10-ddb8-11f0-547e-52519af296fd [observed]

 Occultation Date + Time   : 2025-10-28 at 18:45:23 UT +/- 0.01 min  [1]
 Object Designation        : (222183) 2000 CO61
 Star Designation          : GDR3 0316271667871603456
 Star Coordinates (ICRF)   : RA = 01 35 29.3639, DE = +33 26 18.659  [2]
 Star Magnitudes           : G = 9.98 mag, RP = 9.31 mag, BP = 10.5 mag
 Object Magnitude          : V = 19.31 mag
 Estimated Magnitude Drop  : 9.3 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 12.2 km/s
 Object Mean Diameter      : 3.2 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.5383 arcs/min @ PA = 253 deg
 Horizontal Parallax       : 4.6790 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 100° (sunlit = 41%), Sun = 158°
 Cross-track uncertainty   : 4.0 mas = 5 km = 1.70 path-width (1-sig)
 RUWE and duplicate source : 2.67 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL37
 Note                      : FP:true

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


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