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Stellar Occultation by (11215) 1999 HN10 on 2026-08-14 (22:24:35 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] : f3d26ea0-d9ad-11f1-43f3-c32a7b7f77e5 [observed]

 Occultation Date + Time   : 2026-08-14 at 22:24:35 UT +/- 0.01 min  [1]
 Object Designation        : (11215) 1999 HN10
 Star Designation          : GDR3 6843720667494370432
 Star Coordinates (ICRF)   : RA = 21 43 38.4545, DE = -12 40 33.806  [2]
 Star Magnitudes           : G = 12.19 mag, RP = 11.8 mag, BP = 12.43 mag
 Object Magnitude          : V = 16.89 mag
 Estimated Magnitude Drop  : 4.7 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 10.7 km/s
 Object Mean Diameter      : 7.3 km  (src: astorb) => apparent = 6 mas
 Apparent Motion           : 0.5133 arcs/min @ PA = 251 deg
 Horizontal Parallax       : 5.1110 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 153° (sunlit = 6%), Sun = 178°
 Cross-track uncertainty   : 1.4 mas = 1 km = 0.24 path-width (1-sig)
 RUWE and duplicate source : 3.35 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL61
 Note                      : FP:true

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


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