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Stellar Occultation by (158039) 2000 SP76 on 2025-09-17 (20:51:36 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] : 757bb2c0-ddb7-11f0-547e-f557dffcfe72 [observed] Occultation Date + Time : 2025-09-17 at 20:51:36 UT +/- 0.48 min [1] Object Designation : (158039) 2000 SP76 Star Designation : GDR3 6907035082508067328 Star Coordinates (ICRF) : RA = 20 46 30.7709, DE = -07 04 20.871 [2] Star Magnitudes : G = 10.72 mag, RP = 9.99 mag, BP = 11.3 mag Object Magnitude : V = 19.52 mag Estimated Magnitude Drop : 8.8 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 7.5 km/s Object Mean Diameter : 2.2 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.4200 arcs/min @ PA = 185 deg Horizontal Parallax : 5.9760 arcs Dynamical Class : MBA Elongation to Moon & Sun : 166° (sunlit = 16%), Sun = 136° Cross-track uncertainty : 1.7 mas = 1 km = 0.82 path-width (1-sig) RUWE and duplicate source : 1.04 mas, dup.src = 1 (0:false, 1:true) Ephemeris Reference : JPL#46 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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