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Stellar Occultation by (2120) Tyumenia on 2022-12-26 (21:09:28 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] : dec73d60-ddaf-11f0-547e-48d63551bae2 [observed] Occultation Date + Time : 2022-12-26 at 21:09:28 UT +/- 0.0 min [1] Object Designation : (2120) Tyumenia Star Designation : GDR3 3126165617973707136 Star Coordinates (ICRF) : RA = 06 48 59.8303, DE = +01 59 20.165 [2] Star Magnitudes : G = 14.74 mag, RP = 14.25 mag, BP = 15.05 mag Object Magnitude : V = 16.2 mag Estimated Magnitude Drop : 1.7 mag Estimated Max. Duration : 2.7 sec Speed of the shadow : 15.6 km/s Object Mean Diameter : 41.2 km (src: astorb) => apparent = 23 mas Apparent Motion : 0.5150 arcs/min @ PA = 262 deg Horizontal Parallax : 3.5160 arcs Dynamical Class : MBA Elongation to Moon & Sun : 133° (sunlit = 17%), Sun = 158° Cross-track uncertainty : 0.7 mas = 1 km = 0.03 path-width (1-sig) RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#74 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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