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Stellar Occultation by (56161) 1999 CG158 on 2026-10-21 (18:47:00 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] : 7b2307b0-d9b4-11f1-43f3-7770f9b564c6 [observed]

 Occultation Date + Time   : 2026-10-21 at 18:47:00 UT +/- 0.0 min  [1]
 Object Designation        : (56161) 1999 CG158
 Star Designation          : GDR3 0438890548929817088
 Star Coordinates (ICRF)   : RA = 02 42 06.6194, DE = +49 24 31.270  [2]
 Star Magnitudes           : G = 8.3 mag, RP = 7.45 mag, BP = 9.05 mag
 Object Magnitude          : V = 20.16 mag
 Estimated Magnitude Drop  : 11.9 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 14.1 km/s
 Object Mean Diameter      : 3.5 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4800 arcs/min @ PA = 271 deg
 Horizontal Parallax       : 3.6220 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 82° (sunlit = 79%), Sun = 140°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.35 path-width (1-sig)
 RUWE and duplicate source : 1.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL47
 Note                      : FP:true

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


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