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Stellar Occultation by (49499) 1999 CJ8 on 2024-12-21 (03:37:25 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] : c6857720-ddb5-11f0-547e-3872ffd7e497 [observed]

 Occultation Date + Time   : 2024-12-21 at 03:37:25 UT +/- 0.0 min  [1]
 Object Designation        : (49499) 1999 CJ8
 Star Designation          : GDR3 3894008876031046528
 Star Coordinates (ICRF)   : RA = 12 15 47.0836, DE = +04 09 47.128  [2]
 Star Magnitudes           : G = 11.83 mag, RP = 11.31 mag, BP = 12.17 mag
 Object Magnitude          : V = 19.31 mag
 Estimated Magnitude Drop  : 7.5 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 18.0 km/s
 Object Mean Diameter      : 6.5 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.5083 arcs/min @ PA = 98 deg
 Horizontal Parallax       : 2.9970 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 22° (sunlit = 67%), Sun = 88°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.10 path-width (1-sig)
 RUWE and duplicate source : 0.81 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#61
 Note                      : FP:true

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


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