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Stellar Occultation by (17839) 1998 HN95 on 2026-09-14 (21:54:51 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] : f692bfc0-d9b0-11f1-43f3-f2a2fcf11968 [observed]

 Occultation Date + Time   : 2026-09-14 at 21:54:51 UT +/- 0.04 min  [1]
 Object Designation        : (17839) 1998 HN95
 Star Designation          : GDR3 1734817593859789312
 Star Coordinates (ICRF)   : RA = 20 50 45.5800, DE = +04 52 23.446  [2]
 Star Magnitudes           : G = 14.87 mag, RP = 14.4 mag, BP = 15.17 mag
 Object Magnitude          : V = 16.95 mag
 Estimated Magnitude Drop  : 2.2 mag
 Estimated Max. Duration   : 1.2 sec
 Speed of the shadow       : 8.2 km/s
 Object Mean Diameter      : 10.0 km  (src: astorb) => apparent = 7 mas
 Apparent Motion           : 0.3683 arcs/min @ PA = 206 deg
 Horizontal Parallax       : 4.7780 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 100° (sunlit = 15%), Sun = 139°
 Cross-track uncertainty   : 2.3 mas = 3 km = 0.31 path-width (1-sig)
 RUWE and duplicate source : 1.02 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL60
 Note                      : FP:true

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


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