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Stellar Occultation by (513528) 2010 AH61 on 2023-10-08 (18:31:27 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] : 1ece8c70-ddb4-11f0-547e-0977ffdd9207 [observed]

 Occultation Date + Time   : 2023-10-08 at 18:31:27 UT +/- 0.09 min  [1]
 Object Designation        : (513528) 2010 AH61
 Star Designation          : GDR3 2811883997423605248
 Star Coordinates (ICRF)   : RA = 23 07 15.8100, DE = +12 35 21.410  [2]
 Star Magnitudes           : G = 12.86 mag, RP = 12.33 mag, BP = 13.19 mag
 Object Magnitude          : V = 21.12 mag
 Estimated Magnitude Drop  : 8.3 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 13.7 km/s
 Object Mean Diameter      : 3.2 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.3667 arcs/min @ PA = 231 deg
 Horizontal Parallax       : 2.8520 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 132° (sunlit = 30%), Sun = 152°
 Cross-track uncertainty   : 24.0 mas = 53 km = 16.77 path-width (1-sig)
 RUWE and duplicate source : 1.86 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#21
 Note                      : FP:true

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


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