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Stellar Occultation by (1707) Chantal on 2025-09-24 (04:55:54 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] : 6e730cc0-ddb8-11f0-547e-232effbfd072 [observed]

 Occultation Date + Time   : 2025-09-24 at 04:55:54 UT +/- 0.0 min  [1]
 Object Designation        : (1707) Chantal
 Star Designation          : GDR3 0883864824538513408
 Star Coordinates (ICRF)   : RA = 07 01 51.5694, DE = +26 29 56.048  [2]
 Star Magnitudes           : G = 13.51 mag, RP = 12.92 mag, BP = 13.95 mag
 Object Magnitude          : V = 16.59 mag
 Estimated Magnitude Drop  : 3.1 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 25.4 km/s
 Object Mean Diameter      : 10.3 km  (src: astorb) => apparent = 8 mas
 Apparent Motion           : 1.1650 arcs/min @ PA = 92 deg
 Horizontal Parallax       : 4.8690 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 104° (sunlit = 5%), Sun = 78°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 1.06 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#64
 Note                      : FP:true

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


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