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Stellar Occultation by (55302) 2001 SC48 on 2025-12-17 (00:25:14 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] : db9659b0-ddb8-11f0-547e-637adecf7749 [observed]

 Occultation Date + Time   : 2025-12-17 at 00:25:14 UT +/- 0.01 min  [1]
 Object Designation        : (55302) 2001 SC48
 Star Designation          : GDR3 0871377159881052544
 Star Coordinates (ICRF)   : RA = 07 17 31.4504, DE = +26 22 54.413  [2]
 Star Magnitudes           : G = 12.98 mag, RP = 12.55 mag, BP = 13.26 mag
 Object Magnitude          : V = 18.43 mag
 Estimated Magnitude Drop  : 5.5 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 11.3 km/s
 Object Mean Diameter      : 5.0 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.4850 arcs/min @ PA = 288 deg
 Horizontal Parallax       : 4.5790 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 125° (sunlit = 8%), Sun = 158°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.11 path-width (1-sig)
 RUWE and duplicate source : 1.23 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL54
 Note                      : FP:true

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


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