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Stellar Occultation by (32811) Apisaon on 2025-09-20 (23:16:41 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] : 6d715430-ddb8-11f0-547e-4d9cf5dfa585 [observed]

 Occultation Date + Time   : 2025-09-20 at 23:16:41 UT +/- 0.07 min  [1]
 Object Designation        : (32811) Apisaon
 Star Designation          : GDR3 0029810788181850880
 Star Coordinates (ICRF)   : RA = 03 12 01.9286, DE = +14 04 53.862  [2]
 Star Magnitudes           : G = 14.82 mag, RP = 14.17 mag, BP = 15.32 mag
 Object Magnitude          : V = 19.16 mag
 Estimated Magnitude Drop  : 4.4 mag
 Estimated Max. Duration   : 2.3 sec
 Speed of the shadow       : 8.1 km/s
 Object Mean Diameter      : 18.5 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.1333 arcs/min @ PA = 274 deg
 Horizontal Parallax       : 1.7580 arcs
 Dynamical Class           : JTRO
 Elongation to Moon & Sun  : 119° (sunlit = 1%), Sun = 129°
 Cross-track uncertainty   : 6.7 mas = 24 km = 1.31 path-width (1-sig)
 RUWE and duplicate source : 1.15 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#53
 Note                      : FP:true

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


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