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Stellar Occultation by (66584) 1999 RM161 on 2024-09-24 (19:12:12 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] : 70ea55b0-ddb5-11f0-547e-d8937eb714c4 [observed] Occultation Date + Time : 2024-09-24 at 19:12:12 UT +/- 0.06 min [1] Object Designation : (66584) 1999 RM161 Star Designation : GDR3 6853330953176661376 Star Coordinates (ICRF) : RA = 20 21 00.9951, DE = -21 05 45.439 [2] Star Magnitudes : G = 11.33 mag, RP = 10.29 mag, BP = 12.43 mag Object Magnitude : V = 19.06 mag Estimated Magnitude Drop : 7.7 mag Estimated Max. Duration : 0.7 sec Speed of the shadow : 5.4 km/s Object Mean Diameter : 3.8 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.2417 arcs/min @ PA = 7 deg Horizontal Parallax : 4.7480 arcs Dynamical Class : MBA Elongation to Moon & Sun : 150° (sunlit = 50%), Sun = 120° Cross-track uncertainty : 1.0 mas = 1 km = 0.35 path-width (1-sig) RUWE and duplicate source : 1.09 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#47 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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