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Stellar Occultation by (98221) 2000 SL143 on 2023-07-17 (21:44:06 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] : d063eee0-ddb3-11f0-547e-6aa8fffe43aa [observed]

 Occultation Date + Time   : 2023-07-17 at 21:44:06 UT +/- 0.0 min  [1]
 Object Designation        : (98221) 2000 SL143
 Star Designation          : GDR3 6310170383689555328
 Star Coordinates (ICRF)   : RA = 14 56 20.3484, DE = -14 57 58.646  [2]
 Star Magnitudes           : G = 12.74 mag, RP = 12.19 mag, BP = 13.12 mag
 Object Magnitude          : V = 19.25 mag
 Estimated Magnitude Drop  : 6.5 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 9.5 km/s
 Object Mean Diameter      : 3.4 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.4367 arcs/min @ PA = 84 deg
 Horizontal Parallax       : 4.8940 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 109° (sunlit = 0%), Sun = 111°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.27 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL46
 Note                      : FP:true

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


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