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Stellar Occultation by (364) Isara on 2025-04-11 (21:57:54 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] : 717d2a60-ddb6-11f0-547e-1799bfc5f029 [observed]

 Occultation Date + Time   : 2025-04-11 at 21:57:54 UT +/- 0.0 min  [1]
 Object Designation        : (364) Isara
 Star Designation          : GDR3 0681671615512765440
 Star Coordinates (ICRF)   : RA = 07 57 40.8967, DE = +25 13 04.649  [2]
 Star Magnitudes           : G = 12.73 mag, RP = 12.02 mag, BP = 13.29 mag
 Object Magnitude          : V = 14.11 mag
 Estimated Magnitude Drop  : 1.7 mag
 Estimated Max. Duration   : 1.7 sec
 Speed of the shadow       : 16.5 km/s
 Object Mean Diameter      : 28.0 km  (src: astorb) => apparent = 21 mas
 Apparent Motion           : 0.7500 arcs/min @ PA = 101 deg
 Horizontal Parallax       : 4.8270 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 74° (sunlit = 99%), Sun = 94°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 1.02 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#107
 Note                      : FP:true

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


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