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Stellar Occultation by (78863) 2003 QJ78 on 2023-04-07 (22:26:52 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] : 85fde9a0-ddb3-11f0-547e-5357ffc70808 [observed]

 Occultation Date + Time   : 2023-04-07 at 22:26:52 UT +/- 0.01 min  [1]
 Object Designation        : (78863) 2003 QJ78
 Star Designation          : GDR3 3096347137501996800
 Star Coordinates (ICRF)   : RA = 08 15 23.2007, DE = +05 45 23.860  [2]
 Star Magnitudes           : G = 14.01 mag, RP = 13.53 mag, BP = 14.34 mag
 Object Magnitude          : V = 19.69 mag
 Estimated Magnitude Drop  : 5.7 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 10.9 km/s
 Object Mean Diameter      : 5.3 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.3250 arcs/min @ PA = 52 deg
 Horizontal Parallax       : 3.1750 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 94° (sunlit = 97%), Sun = 106°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.27 path-width (1-sig)
 RUWE and duplicate source : 1.05 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#51
 Note                      : FP:true

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


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