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Stellar Occultation by (198018) 2004 RC218 on 2024-07-11 (22:33:37 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] : f786be20-ddb4-11f0-547e-c11fff9f046c [observed]

 Occultation Date + Time   : 2024-07-11 at 22:33:37 UT +/- 0.1 min  [1]
 Object Designation        : (198018) 2004 RC218
 Star Designation          : GDR3 4052547728226785024
 Star Coordinates (ICRF)   : RA = 18 18 10.7070, DE = -26 56 47.231  [2]
 Star Magnitudes           : G = 13.09 mag, RP = 12.11 mag, BP = 14.04 mag
 Object Magnitude          : V = 18.16 mag
 Estimated Magnitude Drop  : 5.1 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 7.8 km/s
 Object Mean Diameter      : 2.2 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.6183 arcs/min @ PA = 306 deg
 Horizontal Parallax       : 8.4040 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 96° (sunlit = 31%), Sun = 164°
 Cross-track uncertainty   : 11.7 mas = 8 km = 4.04 path-width (1-sig)
 RUWE and duplicate source : 0.73 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#30
 Note                      : FP:true

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


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