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Stellar Occultation by (101957) 1999 RT36 on 2025-11-15 (16:05:50 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] : b66ec8c0-ddb8-11f0-547e-9263fdffaa3c [observed]

 Occultation Date + Time   : 2025-11-15 at 16:05:50 UT +/- 0.37 min  [1]
 Object Designation        : (101957) 1999 RT36
 Star Designation          : GDR3 0962900469121734144
 Star Coordinates (ICRF)   : RA = 06 08 48.5477, DE = +45 18 18.560  [2]
 Star Magnitudes           : G = 12.07 mag, RP = 11.36 mag, BP = 12.62 mag
 Object Magnitude          : V = 18.28 mag
 Estimated Magnitude Drop  : 6.2 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 5.6 km/s
 Object Mean Diameter      : 2.7 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.4150 arcs/min @ PA = 347 deg
 Horizontal Parallax       : 7.8180 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 92° (sunlit = 18%), Sun = 137°
 Cross-track uncertainty   : 2.7 mas = 2 km = 0.82 path-width (1-sig)
 RUWE and duplicate source : 0.95 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL31
 Note                      : FP:true

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


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