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Stellar Occultation by (2809) Vernadskij on 2023-06-18 (22:19:35 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] : b93f1910-ddb3-11f0-547e-8a16a7be3c3c [observed]

 Occultation Date + Time   : 2023-06-18 at 22:19:35 UT +/- 0.0 min  [1]
 Object Designation        : (2809) Vernadskij
 Star Designation          : GDR3 4060699988469960320
 Star Coordinates (ICRF)   : RA = 17 45 50.9660, DE = -27 52 42.909  [2]
 Star Magnitudes           : G = 12.09 mag, RP = 10.83 mag, BP = 13.89 mag
 Object Magnitude          : V = 16.2 mag
 Estimated Magnitude Drop  : 4.1 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 9.2 km/s
 Object Mean Diameter      : 6.3 km  (src: astorb) => apparent = 7 mas
 Apparent Motion           : 0.6067 arcs/min @ PA = 271 deg
 Horizontal Parallax       : 6.9990 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 171° (sunlit = 1%), Sun = 175°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 0.84 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#63
 Note                      : FP:true

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


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