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Stellar Occultation by (581) Tauntonia on 2018-08-09 (20:22:08 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] : 2e728ac4-c6f1-4910-9e8b-8d6ec847e069 [observed]

 Occultation Date + Time   : 2018-08-09 at 20:22:08 UT +/- 0.02 min  [1]
 Object Designation        : (581) Tauntonia
 Star Designation          : GDR3 4066074676187845760
 Star Coordinates (ICRF)   : RA = 18 05 27.7665, DE = -24 12 21.590  [2]
 Star Magnitudes           : G = 14.45 mag, RP = 13.35 mag, BP = 15.72 mag
 Object Magnitude          : V = 15.41 mag
 Estimated Magnitude Drop  : 1.3 mag
 Estimated Max. Duration   : 7.9 sec
 Object Mean Diameter      : 63.7 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 8.1 km/s
 Elongation to Moon & Sun  : 156° (sunlit = 4%), Sun = 134°
 Cross-track uncertainty   : 1.3 mas = 2 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#65

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


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