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Stellar Occultation by (86186) 1999 RX234 on 2025-08-25 (21:13:34 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] : 5163bd10-ddb7-11f0-547e-1fb43fdf84ce [observed]

 Occultation Date + Time   : 2025-08-25 at 21:13:34 UT +/- 0.02 min  [1]
 Object Designation        : (86186) 1999 RX234
 Star Designation          : GDR3 4142510697322483072
 Star Coordinates (ICRF)   : RA = 17 07 59.4721, DE = -12 05 07.410  [2]
 Star Magnitudes           : G = 11.63 mag, RP = 10.71 mag, BP = 12.49 mag
 Object Magnitude          : V = 20.11 mag
 Estimated Magnitude Drop  : 8.5 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 10.5 km/s
 Object Mean Diameter      : 4.6 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3050 arcs/min @ PA = 132 deg
 Horizontal Parallax       : 3.0850 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 74° (sunlit = 7%), Sun = 104°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.31 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL43
 Note                      : FP:true

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


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