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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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