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Stellar Occultation by (1877) Marsden on 2022-12-05 (22:01:34 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] : d540bb90-ddaf-11f0-547e-b8427ffb6717 [observed]

 Occultation Date + Time   : 2022-12-05 at 22:01:34 UT +/- 0.01 min  [1]
 Object Designation        : (1877) Marsden
 Star Designation          : GDR3 0208140338575079680
 Star Coordinates (ICRF)   : RA = 05 27 56.0764, DE = +45 28 00.816  [2]
 Star Magnitudes           : G = 14.66 mag, RP = 13.88 mag, BP = 15.32 mag
 Object Magnitude          : V = 17.41 mag
 Estimated Magnitude Drop  : 2.8 mag
 Estimated Max. Duration   : 2.9 sec
 Speed of the shadow       : 17.1 km/s
 Object Mean Diameter      : 50.3 km  (src: astorb) => apparent = 19 mas
 Apparent Motion           : 0.3933 arcs/min @ PA = 272 deg
 Horizontal Parallax       : 2.4390 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 41° (sunlit = 95%), Sun = 156°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#66
 Note                      : FP:true

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


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