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Stellar Occultation by (40314) 1999 KR16 on 2026-07-22 (10:34:59 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] : 694b9d30-f9d8-11ef-4809-e710efc747f3 [cetnos]

 Occultation Date + Time   : 2026-07-22 at 10:34:59 UT +/- 0.9 min  [1]
 Object Designation        : (40314) 1999 KR16
 Star Designation          : GDR3 4377968196128721280
 Star Coordinates (ICRF)   : RA = 16 55 07.5735, DE = -02 58 48.792  [2]
 Star Magnitudes           : G = 16.67 mag, RP = 15.64 mag, BP = 17.76 mag
 Object Magnitude          : V = 21.07 mag
 Estimated Magnitude Drop  : 4.4 mag
 Estimated Max. Duration   : 16.7 sec
 Speed of the shadow       : 15.5 km/s
 Object Mean Diameter      : 257.9 km  (src: CORA+astorb) => apparent = 11 mas
 Apparent Motion           : 0.0383 arcs/min @ PA = 256 deg
 Horizontal Parallax       : 0.2640 arcs
 Dynamical Class           : TNO
 Elongation to Moon & Sun  : 40° (sunlit = 60%), Sun = 130°
 Cross-track uncertainty   : 23.0 mas = 555 km = 2.15 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#28

 Object is a <TNOs are Cool> target !

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


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