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Stellar Occultation by (34548) 2000 SY237 on 2023-09-13 (01:53:13 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] : 083554d0-ddb4-11f0-547e-889ebfd7c82e [observed]

 Occultation Date + Time   : 2023-09-13 at 01:53:13 UT +/- 0.0 min  [1]
 Object Designation        : (34548) 2000 SY237
 Star Designation          : GDR3 3406796925665143552
 Star Coordinates (ICRF)   : RA = 04 48 11.8909, DE = +18 28 07.160  [2]
 Star Magnitudes           : G = 9.95 mag, RP = 9.68 mag, BP = 10.07 mag
 Object Magnitude          : V = 19.64 mag
 Estimated Magnitude Drop  : 9.7 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 9.7 km/s
 Object Mean Diameter      : 4.3 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3333 arcs/min @ PA = 75 deg
 Horizontal Parallax       : 3.6600 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 76° (sunlit = 4%), Sun = 97°
 Cross-track uncertainty   : 0.6 mas = 1 km = 0.24 path-width (1-sig)
 RUWE and duplicate source : 1.98 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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