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Stellar Occultation by (33769) 1999 RN112 on 2023-04-13 (21:39:28 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] : 8c090050-ddb3-11f0-547e-5317afdf9692 [observed] Occultation Date + Time : 2023-04-13 at 21:39:28 UT +/- 0.0 min [1] Object Designation : (33769) 1999 RN112 Star Designation : GDR3 0663114126979344384 Star Coordinates (ICRF) : RA = 08 30 56.5082, DE = +20 15 45.431 [2] Star Magnitudes : G = 11.41 mag, RP = 10.77 mag, BP = 11.89 mag Object Magnitude : V = 18.66 mag Estimated Magnitude Drop : 7.3 mag Estimated Max. Duration : 0.5 sec Speed of the shadow : 12.0 km/s Object Mean Diameter : 5.5 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.4717 arcs/min @ PA = 62 deg Horizontal Parallax : 4.1760 arcs Dynamical Class : MBA Elongation to Moon & Sun : 174° (sunlit = 44%), Sun = 101° Cross-track uncertainty : 0.5 mas = 0 km = 0.14 path-width (1-sig) RUWE and duplicate source : 3.2 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#58 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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