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Stellar Occultation by (146881) 2002 CH11 on 2026-09-11 (21:48:12 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] : f5fbcc60-d9af-11f1-43f3-fb82fd7fe51c [observed]

 Occultation Date + Time   : 2026-09-11 at 21:48:12 UT +/- 0.01 min  [1]
 Object Designation        : (146881) 2002 CH11
 Star Designation          : GDR3 6845599118689081600
 Star Coordinates (ICRF)   : RA = 20 14 01.8721, DE = -29 01 39.521  [2]
 Star Magnitudes           : G = 11.63 mag, RP = 11.18 mag, BP = 11.92 mag
 Object Magnitude          : V = 19.18 mag
 Estimated Magnitude Drop  : 7.5 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 14.5 km/s
 Object Mean Diameter      : 3.8 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.6300 arcs/min @ PA = 333 deg
 Horizontal Parallax       : 4.6140 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 119° (sunlit = 1%), Sun = 129°
 Cross-track uncertainty   : 3.7 mas = 5 km = 1.35 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL33
 Note                      : FP:true

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


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