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Stellar Occultation by (23908) 1998 SL80 on 2025-10-02 (19:49:47 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] : 7d6223b0-ddb8-11f0-547e-ecc6fdff1dfa [observed]

 Occultation Date + Time   : 2025-10-02 at 19:49:47 UT +/- 0.01 min  [1]
 Object Designation        : (23908) 1998 SL80
 Star Designation          : GDR3 0076774090899827328
 Star Coordinates (ICRF)   : RA = 02 05 14.8969, DE = +13 02 52.931  [2]
 Star Magnitudes           : G = 10.89 mag, RP = 10.38 mag, BP = 11.21 mag
 Object Magnitude          : V = 18.06 mag
 Estimated Magnitude Drop  : 7.2 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 11.6 km/s
 Object Mean Diameter      : 4.9 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.5733 arcs/min @ PA = 230 deg
 Horizontal Parallax       : 5.2340 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 81° (sunlit = 77%), Sun = 156°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.25 path-width (1-sig)
 RUWE and duplicate source : 5.47 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#62
 Note                      : FP:true

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


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