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Stellar Occultation by (78998) 2504 P-L on 2023-10-10 (19:59:08 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] : 245afd40-ddb4-11f0-547e-f81bf5ed59f9 [observed]

 Occultation Date + Time   : 2023-10-10 at 19:59:08 UT +/- 0.01 min  [1]
 Object Designation        : (78998) 2504 P-L
 Star Designation          : GDR3 2586612378632792576
 Star Coordinates (ICRF)   : RA = 01 21 29.2735, DE = +12 30 36.844  [2]
 Star Magnitudes           : G = 13.07 mag, RP = 12.45 mag, BP = 13.53 mag
 Object Magnitude          : V = 18.38 mag
 Estimated Magnitude Drop  : 5.3 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 11.6 km/s
 Object Mean Diameter      : 4.0 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.5483 arcs/min @ PA = 264 deg
 Horizontal Parallax       : 5.0360 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 130° (sunlit = 14%), Sun = 173°
 Cross-track uncertainty   : 3.0 mas = 3 km = 0.95 path-width (1-sig)
 RUWE and duplicate source : 1.91 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL44
 Note                      : FP:true

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


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