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Stellar Occultation by (6570) Tomohiro on 2023-10-01 (18:23:42 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] : 17324e70-ddb4-11f0-547e-3424e6f96503 [observed]

 Occultation Date + Time   : 2023-10-01 at 18:23:42 UT +/- 0.0 min  [1]
 Object Designation        : (6570) Tomohiro
 Star Designation          : GDR3 2690523851024447360
 Star Coordinates (ICRF)   : RA = 21 16 02.7508, DE = +01 06 41.031  [2]
 Star Magnitudes           : G = 13.92 mag, RP = 13.38 mag, BP = 14.3 mag
 Object Magnitude          : V = 17.96 mag
 Estimated Magnitude Drop  : 4.1 mag
 Estimated Max. Duration   : 1.4 sec
 Speed of the shadow       : 9.1 km/s
 Object Mean Diameter      : 12.5 km  (src: astorb) => apparent = 6 mas
 Apparent Motion           : 0.2650 arcs/min @ PA = 202 deg
 Horizontal Parallax       : 3.0900 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 78° (sunlit = 93%), Sun = 131°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 0.93 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#68
 Note                      : FP:true

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


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