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Stellar Occultation by (5025) Mecisteus on 2023-04-13 (20:54:32 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] : 8b64d110-ddb3-11f0-547e-5e81f8fbecec [observed]

 Occultation Date + Time   : 2023-04-13 at 20:54:32 UT +/- 0.01 min  [1]
 Object Designation        : (5025) Mecisteus
 Star Designation          : GDR3 0171530720241297152
 Star Coordinates (ICRF)   : RA = 04 27 09.0796, DE = +31 36 10.608  [2]
 Star Magnitudes           : G = 14.14 mag, RP = 13.39 mag, BP = 14.74 mag
 Object Magnitude          : V = 18.08 mag
 Estimated Magnitude Drop  : 4.0 mag
 Estimated Max. Duration   : 1.7 sec
 Speed of the shadow       : 34.1 km/s
 Object Mean Diameter      : 57.8 km  (src: astorb) => apparent = 15 mas
 Apparent Motion           : 0.5200 arcs/min @ PA = 87 deg
 Horizontal Parallax       : 1.6190 arcs
 Dynamical Class           : JTRO
 Elongation to Moon & Sun  : 130° (sunlit = 45%), Sun = 47°
 Cross-track uncertainty   : 1.0 mas = 3 km = 0.07 path-width (1-sig)
 RUWE and duplicate source : 1.04 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#92
 Note                      : FP:true

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


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