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Stellar Occultation by (40864) 1999 TO115 on 2023-05-29 (20:58:18 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] : a6583b10-ddb3-11f0-547e-e841fc9ad2cd [observed]

 Occultation Date + Time   : 2023-05-29 at 20:58:18 UT +/- 0.0 min  [1]
 Object Designation        : (40864) 1999 TO115
 Star Designation          : GDR3 0616229817297650560
 Star Coordinates (ICRF)   : RA = 09 46 59.5738, DE = +14 25 42.645  [2]
 Star Magnitudes           : G = 11.41 mag, RP = 10.95 mag, BP = 11.71 mag
 Object Magnitude          : V = 20.05 mag
 Estimated Magnitude Drop  : 8.7 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 23.3 km/s
 Object Mean Diameter      : 5.0 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.6133 arcs/min @ PA = 117 deg
 Horizontal Parallax       : 2.7980 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 39° (sunlit = 71%), Sun = 76°
 Cross-track uncertainty   : 1.3 mas = 2 km = 0.59 path-width (1-sig)
 RUWE and duplicate source : 0.89 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#44
 Note                      : FP:true

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


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