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Stellar Occultation by (31829) 1999 XT12 on 2023-07-07 (21:36:15 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] : 5831a1c0-c337-11ef-5276-2474afff73c7 [observed]

 Occultation Date + Time   : 2023-07-07 at 21:36:15 UT +/- 0.0 min  [1]
 Object Designation        : (31829) 1999 XT12
 Star Designation          : GDR3 4100408163712711040
 Star Coordinates (ICRF)   : RA = 18 44 37.6610, DE = -15 23 48.712  [2]
 Star Magnitudes           : G = 15.33 mag, RP = 14.43 mag, BP = 16.15 mag
 Object Magnitude          : V = 17.62 mag
 Estimated Magnitude Drop  : 2.4 mag
 Estimated Max. Duration   : 0.5 sec
 Object Mean Diameter      : 6.8 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 12.5 km/s
 Elongation to Moon & Sun  : 67° (sunlit = 74%), Sun = 171°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.08 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#55

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


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