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Stellar Occultation by (137320) 1999 TZ28 on 2026-10-10 (22:23:06 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] : 5c7c7630-d9b3-11f1-43f3-03c7defe3800 [observed]

 Occultation Date + Time   : 2026-10-10 at 22:23:06 UT +/- 0.02 min  [1]
 Object Designation        : (137320) 1999 TZ28
 Star Designation          : GDR3 0056580597784963072
 Star Coordinates (ICRF)   : RA = 03 31 13.0167, DE = +17 46 09.953  [2]
 Star Magnitudes           : G = 11.8 mag, RP = 11.07 mag, BP = 12.37 mag
 Object Magnitude          : V = 19.51 mag
 Estimated Magnitude Drop  : 7.7 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 6.1 km/s
 Object Mean Diameter      : 1.90 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3817 arcs/min @ PA = 242 deg
 Horizontal Parallax       : 6.6460 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 146° (sunlit = 0%), Sun = 143°
 Cross-track uncertainty   : 1.3 mas = 1 km = 0.66 path-width (1-sig)
 RUWE and duplicate source : 1.03 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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