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Stellar Occultation by (986) Amelia on 2025-12-31 (04:08:35 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] : fa99fd10-de6e-11f0-4858-817ff7d7ff99 [asteroids]

 Occultation Date + Time   : 2025-12-31 at 04:08:35 UT +/- 0.0 min  [1]
 Object Designation        : (986) Amelia
 Star Designation          : GDR3 3652605600594658048
 Star Coordinates (ICRF)   : RA = 14 30 56.0680, DE = -01 15 14.220  [2]
 Star Magnitudes           : G = 12.27 mag, RP = 11.73 mag, BP = 12.63 mag
 Object Magnitude          : V = 16.01 mag
 Estimated Magnitude Drop  : 3.8 mag
 Estimated Max. Duration   : 1.9 sec
 Speed of the shadow       : 27.5 km/s
 Object Mean Diameter      : 50.9 km  (src: astorb) => apparent = 18 mas
 Apparent Motion           : 0.5683 arcs/min @ PA = 100 deg
 Horizontal Parallax       : 2.1940 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 154° (sunlit = 85%), Sun = 65°
 Cross-track uncertainty   : 1.3 mas = 3 km = 0.07 path-width (1-sig)
 RUWE and duplicate source : 0.97 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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