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Stellar Occultation by (16415) 1987 QE7 on 2025-10-02 (18:56:19 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] : 82acd090-ddb8-11f0-547e-a288f7fd6859 [observed]

 Occultation Date + Time   : 2025-10-02 at 18:56:19 UT +/- 0.01 min  [1]
 Object Designation        : (16415) 1987 QE7
 Star Designation          : GDR3 4192376199641070720
 Star Coordinates (ICRF)   : RA = 20 02 58.3085, DE = -08 51 34.510  [2]
 Star Magnitudes           : G = 12.37 mag, RP = 11.74 mag, BP = 12.83 mag
 Object Magnitude          : V = 17.98 mag
 Estimated Magnitude Drop  : 5.6 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 10.2 km/s
 Object Mean Diameter      : 5.5 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.5033 arcs/min @ PA = 119 deg
 Horizontal Parallax       : 5.2390 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 18° (sunlit = 77%), Sun = 111°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.07 path-width (1-sig)
 RUWE and duplicate source : 0.9 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#60
 Note                      : FP:true

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


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