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Stellar Occultation by (99193) Obsfabra on 2025-11-27 (22:01:37 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] : cb3c8f30-ddb8-11f0-547e-80aaecfffe8c [observed]

 Occultation Date + Time   : 2025-11-27 at 22:01:37 UT +/- 0.05 min  [1]
 Object Designation        : (99193) Obsfabra
 Star Designation          : GDR3 3368711870105076864
 Star Coordinates (ICRF)   : RA = 06 21 48.4221, DE = +14 43 53.272  [2]
 Star Magnitudes           : G = 13.7 mag, RP = 12.67 mag, BP = 14.76 mag
 Object Magnitude          : V = 20.69 mag
 Estimated Magnitude Drop  : 7.0 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 14.8 km/s
 Object Mean Diameter      : 4.1 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3833 arcs/min @ PA = 276 deg
 Horizontal Parallax       : 2.7630 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 123° (sunlit = 46%), Sun = 149°
 Cross-track uncertainty   : 17.3 mas = 39 km = 9.74 path-width (1-sig)
 RUWE and duplicate source : 3.74 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#39
 Note                      : FP:true

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


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