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Stellar Occultation by (518963) 2010 HE43 on 2025-10-11 (19:09:23 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] : 8b5379b0-ddb8-11f0-547e-600637fefa39 [observed]

 Occultation Date + Time   : 2025-10-11 at 19:09:23 UT +/- 0.11 min  [1]
 Object Designation        : (518963) 2010 HE43
 Star Designation          : GDR3 2604832695054615168
 Star Coordinates (ICRF)   : RA = 22 53 56.5242, DE = -11 19 07.517  [2]
 Star Magnitudes           : G = 10.79 mag, RP = 10.17 mag, BP = 11.25 mag
 Object Magnitude          : V = 19.62 mag
 Estimated Magnitude Drop  : 8.8 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 4.9 km/s
 Object Mean Diameter      : 1.90 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.2933 arcs/min @ PA = 307 deg
 Horizontal Parallax       : 6.4010 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 103° (sunlit = 72%), Sun = 142°
 Cross-track uncertainty   : 22.0 mas = 21 km = 11.54 path-width (1-sig)
 RUWE and duplicate source : 1.04 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#26
 Note                      : FP:true

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


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