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Stellar Occultation by (264863) 2002 RN143 on 2025-09-16 (19:50:04 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] : 707cdbf0-ddb7-11f0-547e-fe17efdfe375 [observed] Occultation Date + Time : 2025-09-16 at 19:50:04 UT +/- 0.08 min [1] Object Designation : (264863) 2002 RN143 Star Designation : GDR3 2775081659614756992 Star Coordinates (ICRF) : RA = 00 47 24.5933, DE = +11 40 00.614 [2] Star Magnitudes : G = 12.91 mag, RP = 12.25 mag, BP = 13.41 mag Object Magnitude : V = 20.18 mag Estimated Magnitude Drop : 7.3 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 11.0 km/s Object Mean Diameter : 2.7 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.4283 arcs/min @ PA = 252 deg Horizontal Parallax : 4.1270 arcs Dynamical Class : MBA Elongation to Moon & Sun : 99° (sunlit = 25%), Sun = 158° Cross-track uncertainty : 22.3 mas = 34 km = 12.76 path-width (1-sig) RUWE and duplicate source : 1.4 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#31 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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