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Stellar Occultation by (78402) 2002 QW8 on 2023-07-08 (23:44:13 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] : ca71adc0-c337-11ef-5276-07e0dff3e929 [observed]

 Occultation Date + Time   : 2023-07-08 at 23:44:13 UT +/- 0.1 min  [1]
 Object Designation        : (78402) 2002 QW8
 Star Designation          : GDR3 4079063039568601984
 Star Coordinates (ICRF)   : RA = 18 52 06.9690, DE = -21 10 26.864  [2]
 Star Magnitudes           : G = 11.3 mag, RP = 10.98 mag, BP = 11.48 mag
 Object Magnitude          : V = 18.63 mag
 Estimated Magnitude Drop  : 7.3 mag
 Estimated Max. Duration   : 0.3 sec
 Object Mean Diameter      : 3.4 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 10.8 km/s
 Elongation to Moon & Sun  : 80° (sunlit = 62%), Sun = 175°
 Cross-track uncertainty   : 28.7 mas = 36 km = 10.79 path-width (1-sig)
 RUWE and duplicate source : 0.72 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#35

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


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