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Stellar Occultation by (2505) Hebei on 2025-09-03 (00:51:15 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] : 5f876db0-ddb7-11f0-547e-51f0b7fbe0b8 [observed]

 Occultation Date + Time   : 2025-09-03 at 00:51:15 UT +/- 0.0 min  [1]
 Object Designation        : (2505) Hebei
 Star Designation          : GDR3 2545105677245688192
 Star Coordinates (ICRF)   : RA = 00 17 39.3179, DE = -01 01 19.798  [2]
 Star Magnitudes           : G = 12.98 mag, RP = 12.49 mag, BP = 13.3 mag
 Object Magnitude          : V = 16.29 mag
 Estimated Magnitude Drop  : 3.4 mag
 Estimated Max. Duration   : 1.4 sec
 Speed of the shadow       : 10.8 km/s
 Object Mean Diameter      : 15.5 km  (src: astorb) => apparent = 10 mas
 Apparent Motion           : 0.4250 arcs/min @ PA = 246 deg
 Horizontal Parallax       : 4.1830 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 81° (sunlit = 76%), Sun = 157°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.07 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#75
 Note                      : FP:true

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


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