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Stellar Occultation by (73694) 1991 RL15 on 2025-10-08 (22:43:36 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] : 885ca7e0-ddb8-11f0-547e-c22ef05b5338 [observed]

 Occultation Date + Time   : 2025-10-08 at 22:43:36 UT +/- 0.0 min  [1]
 Object Designation        : (73694) 1991 RL15
 Star Designation          : GDR3 0437210460801265920
 Star Coordinates (ICRF)   : RA = 02 43 57.4295, DE = +46 27 51.302  [2]
 Star Magnitudes           : G = 12.72 mag, RP = 12.25 mag, BP = 13.03 mag
 Object Magnitude          : V = 17.75 mag
 Estimated Magnitude Drop  : 5.0 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 14.3 km/s
 Object Mean Diameter      : 6.9 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.6483 arcs/min @ PA = 319 deg
 Horizontal Parallax       : 4.8340 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 28° (sunlit = 95%), Sun = 134°
 Cross-track uncertainty   : 1.3 mas = 1 km = 0.25 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL48
 Note                      : FP:true

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


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