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Stellar Occultation by (93248) 2000 SD157 on 2024-08-11 (21:43:32 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] : 3eea0ab0-ddb5-11f0-547e-c22eafbf0fd5 [observed]

 Occultation Date + Time   : 2024-08-11 at 21:43:32 UT +/- 0.01 min  [1]
 Object Designation        : (93248) 2000 SD157
 Star Designation          : GDR3 4218725823997460608
 Star Coordinates (ICRF)   : RA = 20 32 20.6199, DE = -03 52 54.805  [2]
 Star Magnitudes           : G = 14.08 mag, RP = 13.43 mag, BP = 14.57 mag
 Object Magnitude          : V = 17.69 mag
 Estimated Magnitude Drop  : 3.7 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 8.0 km/s
 Object Mean Diameter      : 3.1 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.5817 arcs/min @ PA = 279 deg
 Horizontal Parallax       : 7.7350 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 89° (sunlit = 43%), Sun = 162°
 Cross-track uncertainty   : 2.3 mas = 1 km = 0.61 path-width (1-sig)
 RUWE and duplicate source : 1.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#34
 Note                      : FP:true

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


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