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Stellar Occultation by (129147) 2005 CY70 on 2025-12-06 (18:28:18 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] : cf5e4c70-ddb8-11f0-547e-ec0cffe114eb [observed]

 Occultation Date + Time   : 2025-12-06 at 18:28:18 UT +/- 0.06 min  [1]
 Object Designation        : (129147) 2005 CY70
 Star Designation          : GDR3 0142166101853762304
 Star Coordinates (ICRF)   : RA = 02 56 31.8396, DE = +36 48 15.474  [2]
 Star Magnitudes           : G = 14.61 mag, RP = 13.72 mag, BP = 15.44 mag
 Object Magnitude          : V = 19.8 mag
 Estimated Magnitude Drop  : 5.2 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 15.6 km/s
 Object Mean Diameter      : 11.0 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.2867 arcs/min @ PA = 243 deg
 Horizontal Parallax       : 1.9560 arcs
 Dynamical Class           : JTRO
 Elongation to Moon & Sun  : 49° (sunlit = 95%), Sun = 151°
 Cross-track uncertainty   : 6.3 mas = 20 km = 1.87 path-width (1-sig)
 RUWE and duplicate source : 1.15 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#33
 Note                      : FP:true

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


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