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Stellar Occultation by (297) Caecilia on 2025-08-31 (19:02:05 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] : 5b7b5b50-ddb7-11f0-547e-8c07efbfe683 [observed] Occultation Date + Time : 2025-08-31 at 19:02:05 UT +/- 0.04 min [1] Object Designation : (297) Caecilia Star Designation : GDR3 4048330688813052032 Star Coordinates (ICRF) : RA = 18 36 56.5921, DE = -28 52 51.033 [2] Star Magnitudes : G = 12.67 mag, RP = 12.16 mag, BP = 13.01 mag Object Magnitude : V = 14.01 mag Estimated Magnitude Drop : 1.6 mag Estimated Max. Duration : 7.7 sec Speed of the shadow : 5.1 km/s Object Mean Diameter : 39.5 km (src: astorb) => apparent = 26 mas Apparent Motion : 0.1983 arcs/min @ PA = 35 deg Horizontal Parallax : 4.1280 arcs Dynamical Class : MBA Elongation to Moon & Sun : 24° (sunlit = 55%), Sun = 119° Cross-track uncertainty : 0.7 mas = 1 km = 0.03 path-width (1-sig) RUWE and duplicate source : 0.83 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#76 Note : FP:true Object is a <Gaia mass determination> target ! [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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