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Stellar Occultation by (34834) 2001 SF243 on 2026-10-17 (00:27:42 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] : e8302a00-d9b3-11f1-43f3-d795f33f4202 [observed]

 Occultation Date + Time   : 2026-10-17 at 00:27:42 UT +/- 0.02 min  [1]
 Object Designation        : (34834) 2001 SF243
 Star Designation          : GDR3 2553441689075379584
 Star Coordinates (ICRF)   : RA = 00 57 22.0239, DE = +06 28 05.905  [2]
 Star Magnitudes           : G = 11.98 mag, RP = 11.49 mag, BP = 12.32 mag
 Object Magnitude          : V = 19.1 mag
 Estimated Magnitude Drop  : 7.1 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 15.1 km/s
 Object Mean Diameter      : 5.2 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.4933 arcs/min @ PA = 231 deg
 Horizontal Parallax       : 3.4820 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 100° (sunlit = 35%), Sun = 172°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.35 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL45
 Note                      : FP:true

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


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