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Stellar Occultation by (102057) 1999 RL129 on 2026-10-06 (20:38:25 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] : 155a7860-d9b3-11f1-43f3-073ab79bce77 [observed]

 Occultation Date + Time   : 2026-10-06 at 20:38:25 UT +/- 0.03 min  [1]
 Object Designation        : (102057) 1999 RL129
 Star Designation          : GDR3 0118892636149156736
 Star Coordinates (ICRF)   : RA = 03 22 15.2177, DE = +28 05 22.639  [2]
 Star Magnitudes           : G = 10.65 mag, RP = 9.85 mag, BP = 11.33 mag
 Object Magnitude          : V = 19.15 mag
 Estimated Magnitude Drop  : 8.5 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 4.2 km/s
 Object Mean Diameter      : 2.0 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.2867 arcs/min @ PA = 302 deg
 Horizontal Parallax       : 7.2370 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 91° (sunlit = 16%), Sun = 137°
 Cross-track uncertainty   : 2.3 mas = 2 km = 1.01 path-width (1-sig)
 RUWE and duplicate source : 1.22 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL35
 Note                      : FP:true

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


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