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Stellar Occultation by (735) Marghanna on 2025-08-18 (02:41:05 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] : 47aae0a0-ddb7-11f0-547e-003357330a37 [observed]

 Occultation Date + Time   : 2025-08-18 at 02:41:05 UT +/- 0.0 min  [1]
 Object Designation        : (735) Marghanna
 Star Designation          : GDR3 3443712886834723712
 Star Coordinates (ICRF)   : RA = 05 57 25.0813, DE = +29 33 39.504  [2]
 Star Magnitudes           : G = 14.12 mag, RP = 13.58 mag, BP = 14.48 mag
 Object Magnitude          : V = 14.87 mag
 Estimated Magnitude Drop  : 1.2 mag
 Estimated Max. Duration   : 2.2 sec
 Speed of the shadow       : 33.6 km/s
 Object Mean Diameter      : 74.3 km  (src: astorb) => apparent = 38 mas
 Apparent Motion           : 1.0400 arcs/min @ PA = 77 deg
 Horizontal Parallax       : 3.2840 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 9° (sunlit = 29%), Sun = 56°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#78
 Note                      : FP:true

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


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