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Stellar Occultation by (25134) 1998 SC17 on 2025-08-24 (00:58:36 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] : 547087e0-ddb7-11f0-547e-7091efbdd18a [observed]

 Occultation Date + Time   : 2025-08-24 at 00:58:36 UT +/- 0.03 min  [1]
 Object Designation        : (25134) 1998 SC17
 Star Designation          : GDR3 2544091343410411008
 Star Coordinates (ICRF)   : RA = 00 34 07.9705, DE = +00 55 27.199  [2]
 Star Magnitudes           : G = 12.27 mag, RP = 11.86 mag, BP = 12.54 mag
 Object Magnitude          : V = 19.21 mag
 Estimated Magnitude Drop  : 6.9 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 5.7 km/s
 Object Mean Diameter      : 4.0 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.2350 arcs/min @ PA = 238 deg
 Horizontal Parallax       : 4.3780 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 152° (sunlit = 1%), Sun = 143°
 Cross-track uncertainty   : 3.0 mas = 4 km = 1.09 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#45
 Note                      : FP:true

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


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