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Stellar Occultation by (56980) 2000 SS177 on 2023-10-17 (20:08:18 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] : 2aba9c90-ddb4-11f0-547e-23ebe9bfe3b8 [observed]

 Occultation Date + Time   : 2023-10-17 at 20:08:18 UT +/- 0.0 min  [1]
 Object Designation        : (56980) 2000 SS177
 Star Designation          : GDR3 0102903396322894720
 Star Coordinates (ICRF)   : RA = 02 19 55.8528, DE = +24 58 44.688  [2]
 Star Magnitudes           : G = 11.36 mag, RP = 10.7 mag, BP = 11.86 mag
 Object Magnitude          : V = 19.03 mag
 Estimated Magnitude Drop  : 7.7 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 14.3 km/s
 Object Mean Diameter      : 5.7 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.4750 arcs/min @ PA = 266 deg
 Horizontal Parallax       : 3.5350 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 159° (sunlit = 10%), Sun = 160°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.32 path-width (1-sig)
 RUWE and duplicate source : 0.91 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL45
 Note                      : FP:true

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


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