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Stellar Occultation by (69708) 1998 HX85 on 2025-10-29 (18:18:40 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] : a41313c0-ddb8-11f0-547e-aa9b6afbe5e4 [observed]

 Occultation Date + Time   : 2025-10-29 at 18:18:40 UT +/- 0.0 min  [1]
 Object Designation        : (69708) 1998 HX85
 Star Designation          : GDR3 2575606095440086912
 Star Coordinates (ICRF)   : RA = 01 52 11.1416, DE = +12 44 29.873  [2]
 Star Magnitudes           : G = 11.75 mag, RP = 11.4 mag, BP = 11.97 mag
 Object Magnitude          : V = 18.87 mag
 Estimated Magnitude Drop  : 7.1 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 12.6 km/s
 Object Mean Diameter      : 2.8 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.6317 arcs/min @ PA = 253 deg
 Horizontal Parallax       : 5.3280 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 83° (sunlit = 51%), Sun = 174°
 Cross-track uncertainty   : 1.3 mas = 1 km = 0.56 path-width (1-sig)
 RUWE and duplicate source : 1.24 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#45
 Note                      : FP:true

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


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