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Stellar Occultation by (37628) 1993 TK17 on 2023-11-19 (17:13:08 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] : 3a5c88c0-ddb4-11f0-547e-94a7fadf4cb1 [observed]

 Occultation Date + Time   : 2023-11-19 at 17:13:08 UT +/- 0.01 min  [1]
 Object Designation        : (37628) 1993 TK17
 Star Designation          : GDR3 0254524507904058624
 Star Coordinates (ICRF)   : RA = 04 47 53.3522, DE = +45 29 20.936  [2]
 Star Magnitudes           : G = 7.7 mag, RP = 7.45 mag, BP = 7.83 mag
 Object Magnitude          : V = 18.89 mag
 Estimated Magnitude Drop  : 11.2 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 14.7 km/s
 Object Mean Diameter      : 5.8 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.5150 arcs/min @ PA = 292 deg
 Horizontal Parallax       : 3.7190 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 118° (sunlit = 42%), Sun = 150°
 Cross-track uncertainty   : 2.5 mas = 4 km = 0.74 path-width (1-sig)
 RUWE and duplicate source : 9.02 mas, dup.src = 1  (0:false, 1:true)

 Ephemeris Reference       : JPL#35
 Note                      : FP:true

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


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