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Stellar Occultation by (74193) 1998 RW45 on 2024-12-19 (03:20:26 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] : c2481b90-ddb5-11f0-547e-59e57a9fee38 [observed]

 Occultation Date + Time   : 2024-12-19 at 03:20:26 UT +/- 0.02 min  [1]
 Object Designation        : (74193) 1998 RW45
 Star Designation          : GDR3 0656739914473739520
 Star Coordinates (ICRF)   : RA = 08 06 46.7740, DE = +16 59 11.630  [2]
 Star Magnitudes           : G = 10.75 mag, RP = 10.08 mag, BP = 11.27 mag
 Object Magnitude          : V = 19.82 mag
 Estimated Magnitude Drop  : 9.1 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 7.9 km/s
 Object Mean Diameter      : 2.3 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3850 arcs/min @ PA = 276 deg
 Horizontal Parallax       : 5.2050 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 16° (sunlit = 84%), Sun = 147°
 Cross-track uncertainty   : 1.7 mas = 2 km = 0.91 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#34
 Note                      : FP:true

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


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