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Stellar Occultation by (550) Senta on 2026-01-06 (03:13:10 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] : 52b12cf0-de6d-11f0-4858-8d5cecf77289 [asteroids]

 Occultation Date + Time   : 2026-01-06 at 03:13:10 UT +/- 0.01 min  [1]
 Object Designation        : (550) Senta
 Star Designation          : GDR3 3416325907611323136
 Star Coordinates (ICRF)   : RA = 05 25 05.0105, DE = +23 26 33.290  [2]
 Star Magnitudes           : G = 14.78 mag, RP = 13.69 mag, BP = 15.8 mag
 Object Magnitude          : V = 13.7 mag
 Estimated Magnitude Drop  : 0.3 mag
 Estimated Max. Duration   : 3.1 sec
 Speed of the shadow       : 12.0 km/s
 Object Mean Diameter      : 37.8 km  (src: astorb) => apparent = 26 mas
 Apparent Motion           : 0.5033 arcs/min @ PA = 253 deg
 Horizontal Parallax       : 4.4420 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 60° (sunlit = 90%), Sun = 156°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 1.13 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#78
 Note                      : FP:true

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


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