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Stellar Occultation by (269960) 2000 SK243 on 2025-09-30 (19:41:01 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] : 7d51f710-ddb8-11f0-547e-40907665f54e [observed]

 Occultation Date + Time   : 2025-09-30 at 19:41:01 UT +/- 0.19 min  [1]
 Object Designation        : (269960) 2000 SK243
 Star Designation          : GDR3 0116406155026259456
 Star Coordinates (ICRF)   : RA = 02 55 12.8357, DE = +27 42 18.662  [2]
 Star Magnitudes           : G = 9.37 mag, RP = 8.57 mag, BP = 10.04 mag
 Object Magnitude          : V = 20.09 mag
 Estimated Magnitude Drop  : 10.7 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 5.1 km/s
 Object Mean Diameter      : 1.50 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3150 arcs/min @ PA = 312 deg
 Horizontal Parallax       : 6.5340 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 122° (sunlit = 58%), Sun = 137°
 Cross-track uncertainty   : 34.7 mas = 33 km = 22.58 path-width (1-sig)
 RUWE and duplicate source : 1.24 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL20
 Note                      : FP:true

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


More Data and Informations
SiMDA | 3D Asteroid Catalogue | Johnston Archive | Star at CDS (Vizier) | JPL Small-Body Node | Minor Planet Center | Wikipedia
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