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Stellar Occultation by (59669) 1999 JM99 on 2025-04-03 (03:52:22 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] : 5d4c8e50-ddb6-11f0-547e-1a79fc537b33 [observed]

 Occultation Date + Time   : 2025-04-03 at 03:52:22 UT +/- 0.0 min  [1]
 Object Designation        : (59669) 1999 JM99
 Star Designation          : GDR3 4104087786868374144
 Star Coordinates (ICRF)   : RA = 18 32 20.1552, DE = -14 36 16.168  [2]
 Star Magnitudes           : G = 13.33 mag, RP = 11.84 mag, BP = 16.37 mag
 Object Magnitude          : V = 20.09 mag
 Estimated Magnitude Drop  : 6.8 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 13.0 km/s
 Object Mean Diameter      : 3.4 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4467 arcs/min @ PA = 86 deg
 Horizontal Parallax       : 3.6640 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 157° (sunlit = 29%), Sun = 96°
 Cross-track uncertainty   : 0.8 mas = 1 km = 0.41 path-width (1-sig)
 RUWE and duplicate source : 1.11 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#40
 Note                      : FP:true

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


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