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Stellar Occultation by (375387) 2008 SW201 on 2024-10-31 (21:34:01 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] : 975710d0-ddb5-11f0-547e-f515efbf941f [observed]

 Occultation Date + Time   : 2024-10-31 at 21:34:01 UT +/- 0.11 min  [1]
 Object Designation        : (375387) 2008 SW201
 Star Designation          : GDR3 0171729358185167104
 Star Coordinates (ICRF)   : RA = 04 36 06.5174, DE = +31 56 45.849  [2]
 Star Magnitudes           : G = 9.94 mag, RP = 8.95 mag, BP = 10.99 mag
 Object Magnitude          : V = 20.82 mag
 Estimated Magnitude Drop  : 10.9 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 8.8 km/s
 Object Mean Diameter      : 1.80 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.3667 arcs/min @ PA = 293 deg
 Horizontal Parallax       : 4.4500 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 140° (sunlit = 0%), Sun = 146°
 Cross-track uncertainty   : 30.3 mas = 43 km = 24.13 path-width (1-sig)
 RUWE and duplicate source : 0.93 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#21
 Note                      : FP:true

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


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