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Stellar Occultation by (24254) 1999 XB122 on 2024-10-22 (02:03:40 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] : 8b34fc90-ddb5-11f0-547e-05791efb75a3 [observed]

 Occultation Date + Time   : 2024-10-22 at 02:03:40 UT +/- 0.02 min  [1]
 Object Designation        : (24254) 1999 XB122
 Star Designation          : GDR3 3448229753617754368
 Star Coordinates (ICRF)   : RA = 05 45 48.6361, DE = +32 26 08.062  [2]
 Star Magnitudes           : G = 11.38 mag, RP = 10.9 mag, BP = 11.68 mag
 Object Magnitude          : V = 17.47 mag
 Estimated Magnitude Drop  : 6.1 mag
 Estimated Max. Duration   : 2.3 sec
 Speed of the shadow       : 2.9 km/s
 Object Mean Diameter      : 6.7 km  (src: astorb) => apparent = 6 mas
 Apparent Motion           : 0.1483 arcs/min @ PA = 124 deg
 Horizontal Parallax       : 5.3870 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 6° (sunlit = 73%), Sun = 122°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.18 path-width (1-sig)
 RUWE and duplicate source : 4.56 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL57
 Note                      : FP:true

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


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