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Stellar Occultation by (798) Ruth on 2023-11-28 (20:04:36 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] : 420b6460-ddb4-11f0-547e-fabebfafd22b [observed] Occultation Date + Time : 2023-11-28 at 20:04:36 UT +/- 0.0 min [1] Object Designation : (798) Ruth Star Designation : GDR3 2645525998355665664 Star Coordinates (ICRF) : RA = 23 28 42.9003, DE = +01 14 10.334 [2] Star Magnitudes : G = 14.94 mag, RP = 14.44 mag, BP = 15.28 mag Object Magnitude : V = 15.15 mag Estimated Magnitude Drop : 0.9 mag Estimated Max. Duration : 5.0 sec Speed of the shadow : 8.6 km/s Object Mean Diameter : 43.2 km (src: astorb) => apparent = 23 mas Apparent Motion : 0.2733 arcs/min @ PA = 96 deg Horizontal Parallax : 3.3720 arcs Dynamical Class : MBA Elongation to Moon & Sun : 90° (sunlit = 98%), Sun = 107° Cross-track uncertainty : 0.4 mas = 0 km = 0.02 path-width (1-sig) RUWE and duplicate source : 1.09 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#81 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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