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Stellar Occultation by (70566) 1999 TB151 on 2025-10-01 (22:40:23 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] : 7c473dd0-ddb8-11f0-547e-d5c1ef6d9956 [observed] Occultation Date + Time : 2025-10-01 at 22:40:23 UT +/- 0.02 min [1] Object Designation : (70566) 1999 TB151 Star Designation : GDR3 2587572011765658496 Star Coordinates (ICRF) : RA = 01 43 56.4624, DE = +13 27 56.584 [2] Star Magnitudes : G = 9.5 mag, RP = 8.83 mag, BP = 10.03 mag Object Magnitude : V = 19.31 mag Estimated Magnitude Drop : 9.8 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 11.9 km/s Object Mean Diameter : 2.5 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.6083 arcs/min @ PA = 270 deg Horizontal Parallax : 5.4520 arcs Dynamical Class : MBA Elongation to Moon & Sun : 88° (sunlit = 69%), Sun = 160° Cross-track uncertainty : 6.7 mas = 7 km = 3.14 path-width (1-sig) RUWE and duplicate source : 1.21 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#40 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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