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Stellar Occultation by (15861) Ispahan on 2025-11-17 (01:15:06 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] : b94e4200-ddb8-11f0-547e-11f16ef5da30 [observed]

 Occultation Date + Time   : 2025-11-17 at 01:15:06 UT +/- 0.0 min  [1]
 Object Designation        : (15861) Ispahan
 Star Designation          : GDR3 0739117829592206080
 Star Coordinates (ICRF)   : RA = 10 05 59.6454, DE = +26 53 38.179  [2]
 Star Magnitudes           : G = 12.87 mag, RP = 12.17 mag, BP = 13.43 mag
 Object Magnitude          : V = 18.8 mag
 Estimated Magnitude Drop  : 5.9 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 15.4 km/s
 Object Mean Diameter      : 9.8 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.3950 arcs/min @ PA = 86 deg
 Horizontal Parallax       : 2.7270 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 58° (sunlit = 9%), Sun = 91°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.17 path-width (1-sig)
 RUWE and duplicate source : 1.06 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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