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Stellar Occultation by (21982) 1999 XL8 on 2024-01-20 (19:10:56 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] : 19cb1720-c343-11ef-5276-d0f29fbb71a4 [observed]

 Occultation Date + Time   : 2024-01-20 at 19:10:56 UT +/- 0.01 min  [1]
 Object Designation        : (21982) 1999 XL8
 Star Designation          : GDR3 3360546896755717120
 Star Coordinates (ICRF)   : RA = 07 11 01.0474, DE = +16 45 06.839  [2]
 Star Magnitudes           : G = 14.06 mag, RP = 13.42 mag, BP = 14.53 mag
 Object Magnitude          : V = 17.02 mag
 Estimated Magnitude Drop  : 3.0 mag
 Estimated Max. Duration   : 0.5 sec
 Object Mean Diameter      : 3.3 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 7.1 km/s
 Elongation to Moon & Sun  : 45° (sunlit = 77%), Sun = 166°
 Cross-track uncertainty   : 1.0 mas = 0 km = 0.22 path-width (1-sig)
 RUWE and duplicate source : 1.06 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#49

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


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