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Stellar Occultation by (83557) 2001 SP184 on 2024-12-30 (21:03:30 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] : d9993180-ddb5-11f0-547e-65d69f74448c [observed] Occultation Date + Time : 2024-12-30 at 21:03:30 UT +/- 0.05 min [1] Object Designation : (83557) 2001 SP184 Star Designation : GDR3 0957151466416535552 Star Coordinates (ICRF) : RA = 06 33 27.3767, DE = +39 59 13.444 [2] Star Magnitudes : G = 12.6 mag, RP = 12.21 mag, BP = 12.84 mag Object Magnitude : V = 17.96 mag Estimated Magnitude Drop : 5.4 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 9.1 km/s Object Mean Diameter : 3.8 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.5317 arcs/min @ PA = 262 deg Horizontal Parallax : 6.1770 arcs Dynamical Class : MBA Elongation to Moon & Sun : 168° (sunlit = 0%), Sun = 163° Cross-track uncertainty : 23.7 mas = 24 km = 6.44 path-width (1-sig) RUWE and duplicate source : 1.09 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#35 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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