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Stellar Occultation by (7411) 1990 QQ1 on 2024-11-07 (03:12:19 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] : 3915cb50-c359-11ef-5276-b63afff33d08 [observed]

 Occultation Date + Time   : 2024-11-07 at 03:12:19 UT +/- 0.0 min  [1]
 Object Designation        : (7411) 1990 QQ1
 Star Designation          : GDR3 0233591524502958208
 Star Coordinates (ICRF)   : RA = 04 07 37.5246, DE = +45 55 40.217  [2]
 Star Magnitudes           : G = 14.62 mag, RP = 13.69 mag, BP = 15.52 mag
 Object Magnitude          : V = 16.43 mag
 Estimated Magnitude Drop  : 2.0 mag
 Estimated Max. Duration   : 1.1 sec
 Object Mean Diameter      : 9 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 7.9 km/s
 Elongation to Moon & Sun  : 137° (sunlit = 28%), Sun = 146°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#42

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


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