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Stellar Occultation by (3803) Tuchkova on 2026-03-12 (23:03:23 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] : 297d7380-de76-11f0-4858-d9b9db7f3fea [asteroids]

 Occultation Date + Time   : 2026-03-12 at 23:03:23 UT +/- 0.01 min  [1]
 Object Designation        : (3803) Tuchkova
 Star Designation          : GDR3 3754529087244629632
 Star Coordinates (ICRF)   : RA = 10 36 32.4606, DE = -12 13 16.199  [2]
 Star Magnitudes           : G = 10.53 mag, RP = 10.22 mag, BP = 10.71 mag
 Object Magnitude          : V = 15.7 mag
 Estimated Magnitude Drop  : 5.2 mag
 Estimated Max. Duration   : 2.9 sec
 Speed of the shadow       : 12.1 km/s
 Object Mean Diameter      : 35.5 km  (src: astorb) => apparent = 25 mas
 Apparent Motion           : 0.5100 arcs/min @ PA = 299 deg
 Horizontal Parallax       : 4.4850 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 111° (sunlit = 36%), Sun = 159°
 Cross-track uncertainty   : 1.4 mas = 1 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 3.59 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#72
 Note                      : FP:true

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


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