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Stellar Occultation by (71076) 1999 XV117 on 2023-05-31 (20:43:20 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] : a2a174a0-ddb3-11f0-547e-1394ffebe581 [observed]

 Occultation Date + Time   : 2023-05-31 at 20:43:20 UT +/- 0.0 min  [1]
 Object Designation        : (71076) 1999 XV117
 Star Designation          : GDR3 4117870646121772160
 Star Coordinates (ICRF)   : RA = 17 31 31.7230, DE = -21 31 19.996  [2]
 Star Magnitudes           : G = 9.41 mag, RP = 8.57 mag, BP = 10.15 mag
 Object Magnitude          : V = 17.57 mag
 Estimated Magnitude Drop  : 8.2 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 9.6 km/s
 Object Mean Diameter      : 3.9 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.6150 arcs/min @ PA = 304 deg
 Horizontal Parallax       : 6.7790 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 55° (sunlit = 87%), Sun = 167°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.07 path-width (1-sig)
 RUWE and duplicate source : 0.79 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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