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Stellar Occultation by (179013) 2001 RL61 on 2025-12-17 (22:36:31 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] : df994450-ddb8-11f0-547e-3300ff756c9b [observed]

 Occultation Date + Time   : 2025-12-17 at 22:36:31 UT +/- 0.16 min  [1]
 Object Designation        : (179013) 2001 RL61
 Star Designation          : GDR3 0601697572114180480
 Star Coordinates (ICRF)   : RA = 08 39 41.2266, DE = +11 19 51.521  [2]
 Star Magnitudes           : G = 14.31 mag, RP = 13.79 mag, BP = 14.67 mag
 Object Magnitude          : V = 20.19 mag
 Estimated Magnitude Drop  : 5.9 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 4.9 km/s
 Object Mean Diameter      : 2.1 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.2267 arcs/min @ PA = 297 deg
 Horizontal Parallax       : 4.9610 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 113° (sunlit = 4%), Sun = 136°
 Cross-track uncertainty   : 20.7 mas = 26 km = 12.67 path-width (1-sig)
 RUWE and duplicate source : 1.03 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL29
 Note                      : FP:true

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


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