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Stellar Occultation by (287814) 2003 SR183 on 2026-10-25 (20:25:14 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] : c3eb3b70-d9b4-11f1-43f3-31f9c6fbe33f [observed]

 Occultation Date + Time   : 2026-10-25 at 20:25:14 UT +/- 0.2 min  [1]
 Object Designation        : (287814) 2003 SR183
 Star Designation          : GDR3 6857195770905252608
 Star Coordinates (ICRF)   : RA = 20 50 02.1754, DE = -20 10 35.017  [2]
 Star Magnitudes           : G = 10.87 mag, RP = 10.41 mag, BP = 11.16 mag
 Object Magnitude          : V = 20.84 mag
 Estimated Magnitude Drop  : 10.0 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 11.9 km/s
 Object Mean Diameter      : 4.2 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.2933 arcs/min @ PA = 55 deg
 Horizontal Parallax       : 2.6360 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 79° (sunlit = 100%), Sun = 97°
 Cross-track uncertainty   : 31.3 mas = 75 km = 18.03 path-width (1-sig)
 RUWE and duplicate source : 1.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL27
 Note                      : FP:true

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


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