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Stellar Occultation by (449) Hamburga on 2025-09-18 (23:21:25 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] : 73374100-ddb7-11f0-547e-5bcbbcfbded8 [observed]

 Occultation Date + Time   : 2025-09-18 at 23:21:25 UT +/- 0.0 min  [1]
 Object Designation        : (449) Hamburga
 Star Designation          : GDR3 2600872937070470912
 Star Coordinates (ICRF)   : RA = 22 32 14.8312, DE = -13 58 52.452  [2]
 Star Magnitudes           : G = 14.28 mag, RP = 13.57 mag, BP = 14.84 mag
 Object Magnitude          : V = 14.23 mag
 Estimated Magnitude Drop  : 0.7 mag
 Estimated Max. Duration   : 7.3 sec
 Speed of the shadow       : 11.8 km/s
 Object Mean Diameter      : 85.6 km  (src: astorb) => apparent = 60 mas
 Apparent Motion           : 0.4933 arcs/min @ PA = 251 deg
 Horizontal Parallax       : 4.4670 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 168° (sunlit = 8%), Sun = 158°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.99 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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