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Stellar Occultation by (58906) 1998 KN18 on 2023-11-02 (03:56:52 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] : 321b5830-ddb4-11f0-547e-7992fb8b7952 [observed]

 Occultation Date + Time   : 2023-11-02 at 03:56:52 UT +/- 0.0 min  [1]
 Object Designation        : (58906) 1998 KN18
 Star Designation          : GDR3 3077675776498985600
 Star Coordinates (ICRF)   : RA = 08 26 08.4196, DE = +00 24 37.818  [2]
 Star Magnitudes           : G = 12.01 mag, RP = 11.28 mag, BP = 12.59 mag
 Object Magnitude          : V = 18.96 mag
 Estimated Magnitude Drop  : 7.0 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 18.8 km/s
 Object Mean Diameter      : 7.4 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.5467 arcs/min @ PA = 142 deg
 Horizontal Parallax       : 3.0880 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 42° (sunlit = 79%), Sun = 91°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.20 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL49
 Note                      : FP:true

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


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