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Stellar Occultation by (83707) 2001 TQ77 on 2024-09-24 (19:31:32 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] : 74aded60-ddb5-11f0-547e-a3f69c5f8f5f [observed] Occultation Date + Time : 2024-09-24 at 19:31:32 UT +/- 0.02 min [1] Object Designation : (83707) 2001 TQ77 Star Designation : GDR3 6848105214926226816 Star Coordinates (ICRF) : RA = 20 22 14.8910, DE = -25 45 41.350 [2] Star Magnitudes : G = 12.36 mag, RP = 11.83 mag, BP = 12.73 mag Object Magnitude : V = 18.7 mag Estimated Magnitude Drop : 6.4 mag Estimated Max. Duration : 1.1 sec Speed of the shadow : 4.0 km/s Object Mean Diameter : 4.6 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.1800 arcs/min @ PA = 70 deg Horizontal Parallax : 4.7370 arcs Dynamical Class : MBA Elongation to Moon & Sun : 151° (sunlit = 50%), Sun = 119° Cross-track uncertainty : 0.3 mas = 0 km = 0.09 path-width (1-sig) RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#54 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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