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Stellar Occultation by (109268) 2001 QQ111 on 2025-12-24 (01:40:00 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] : 705386c0-d996-11f1-43f3-a576f37533a6 [observed]

 Occultation Date + Time   : 2025-12-24 at 01:40:00 UT +/- 0.01 min  [1]
 Object Designation        : (109268) 2001 QQ111
 Star Designation          : GDR3 0609394153508695040
 Star Coordinates (ICRF)   : RA = 08 40 23.1871, DE = +13 55 24.121  [2]
 Star Magnitudes           : G = 12.76 mag, RP = 12.11 mag, BP = 13.26 mag
 Object Magnitude          : V = 19.12 mag
 Estimated Magnitude Drop  : 6.4 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 9.4 km/s
 Object Mean Diameter      : 5.0 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.3417 arcs/min @ PA = 256 deg
 Horizontal Parallax       : 3.8490 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 169° (sunlit = 15%), Sun = 143°
 Cross-track uncertainty   : 1.7 mas = 2 km = 0.56 path-width (1-sig)
 RUWE and duplicate source : 1.06 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL48
 Note                      : FP:true

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


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