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Stellar Occultation by (731627) 2013 MR8 on 2025-10-01 (20:16:14 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] : 869ef250-ddb8-11f0-547e-1a78dfec1983 [observed]

 Occultation Date + Time   : 2025-10-01 at 20:16:14 UT +/- 0.08 min  [1]
 Object Designation        : (731627) 2013 MR8
 Star Designation          : GDR3 1912500768853510272
 Star Coordinates (ICRF)   : RA = 23 33 40.6512, DE = +35 13 08.106  [2]
 Star Magnitudes           : G = 9.97 mag, RP = 9.62 mag, BP = 10.17 mag
 Object Magnitude          : V = 20.55 mag
 Estimated Magnitude Drop  : 10.6 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 14.7 km/s
 Object Mean Diameter      : 3.0 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4883 arcs/min @ PA = 254 deg
 Horizontal Parallax       : 3.5390 arcs
 Dynamical Class           : 
 Elongation to Moon & Sun  : 76° (sunlit = 68%), Sun = 145°
 Cross-track uncertainty   : 37.7 mas = 67 km = 22.65 path-width (1-sig)
 RUWE and duplicate source : 1.16 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#62
 Note                      : FP:true

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


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