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Stellar Occultation by (994) Otthild on 2025-10-28 (00:18:44 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] : a37aa450-ddb8-11f0-547e-70cbfff5731e [observed]

 Occultation Date + Time   : 2025-10-28 at 00:18:44 UT +/- 0.01 min  [1]
 Object Designation        : (994) Otthild
 Star Designation          : GDR3 2637931018707332224
 Star Coordinates (ICRF)   : RA = 23 18 27.8835, DE = -01 53 57.895  [2]
 Star Magnitudes           : G = 8.46 mag, RP = 8.03 mag, BP = 8.72 mag
 Object Magnitude          : V = 13.71 mag
 Estimated Magnitude Drop  : 5.3 mag
 Estimated Max. Duration   : 4.8 sec
 Speed of the shadow       : 5.1 km/s
 Object Mean Diameter      : 24.4 km  (src: astorb) => apparent = 23 mas
 Apparent Motion           : 0.2950 arcs/min @ PA = 319 deg
 Horizontal Parallax       : 6.1020 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 64° (sunlit = 34%), Sun = 135°
 Cross-track uncertainty   : 1.7 mas = 1 km = 0.07 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#76
 Note                      : FP:true

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


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