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Stellar Occultation by (275682) 2000 ST49 on 2023-08-12 (20:36:13 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] : ebee1aa0-ddb3-11f0-547e-7d4d77679337 [observed]

 Occultation Date + Time   : 2023-08-12 at 20:36:13 UT +/- 0.08 min  [1]
 Object Designation        : (275682) 2000 ST49
 Star Designation          : GDR3 2728336914896959616
 Star Coordinates (ICRF)   : RA = 22 04 40.7769, DE = +12 37 37.724  [2]
 Star Magnitudes           : G = 9.92 mag, RP = 9.54 mag, BP = 10.14 mag
 Object Magnitude          : V = 19.69 mag
 Estimated Magnitude Drop  : 9.8 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 14.3 km/s
 Object Mean Diameter      : 7.8 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.3350 arcs/min @ PA = 238 deg
 Horizontal Parallax       : 2.4930 arcs
 Dynamical Class           : JTRO
 Elongation to Moon & Sun  : 118° (sunlit = 11%), Sun = 151°
 Cross-track uncertainty   : 22.3 mas = 57 km = 7.31 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL33
 Note                      : FP:true

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


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