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Stellar Occultation by (61486) 2000 QQ42 on 2025-09-19 (22:16:51 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] : 736adeb0-ddb8-11f0-547e-ad68f1f7909c [observed] Occultation Date + Time : 2025-09-19 at 22:16:51 UT +/- 0.03 min [1] Object Designation : (61486) 2000 QQ42 Star Designation : GDR3 2623358091592636288 Star Coordinates (ICRF) : RA = 22 42 15.3916, DE = -06 55 19.147 [2] Star Magnitudes : G = 12.58 mag, RP = 11.95 mag, BP = 12.89 mag Object Magnitude : V = 18.62 mag Estimated Magnitude Drop : 6.1 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 9.0 km/s Object Mean Diameter : 3.5 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.4550 arcs/min @ PA = 244 deg Horizontal Parallax : 5.3550 arcs Dynamical Class : MBA Elongation to Moon & Sun : 175° (sunlit = 4%), Sun = 162° Cross-track uncertainty : 4.0 mas = 4 km = 1.36 path-width (1-sig) RUWE and duplicate source : 1.35 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#45 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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