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Stellar Occultation by (173080) 2006 UN188 on 2026-08-28 (21:46:34 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] : c1980b60-d9ae-11f1-43f3-1f83f655fc27 [observed]

 Occultation Date + Time   : 2026-08-28 at 21:46:34 UT +/- 0.19 min  [1]
 Object Designation        : (173080) 2006 UN188
 Star Designation          : GDR3 4065298283533989504
 Star Coordinates (ICRF)   : RA = 18 17 17.2249, DE = -24 33 18.746  [2]
 Star Magnitudes           : G = 12.62 mag, RP = 11.74 mag, BP = 13.44 mag
 Object Magnitude          : V = 19.74 mag
 Estimated Magnitude Drop  : 7.1 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 6.1 km/s
 Object Mean Diameter      : 3.4 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.2417 arcs/min @ PA = 37 deg
 Horizontal Parallax       : 4.2450 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 70° (sunlit = 99%), Sun = 118°
 Cross-track uncertainty   : 7.7 mas = 11 km = 3.40 path-width (1-sig)
 RUWE and duplicate source : 0.93 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL37
 Note                      : FP:true

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


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