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Stellar Occultation by (11177) 1998 FH77 on 2023-03-28 (19:35:48 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] : 7f1ae980-ddb3-11f0-547e-c8bccff5512c [observed] Occultation Date + Time : 2023-03-28 at 19:35:48 UT +/- 0.0 min [1] Object Designation : (11177) 1998 FH77 Star Designation : GDR3 3304787535374790784 Star Coordinates (ICRF) : RA = 04 04 05.9805, DE = +12 23 52.060 [2] Star Magnitudes : G = 11.09 mag, RP = 10.19 mag, BP = 11.93 mag Object Magnitude : V = 18.84 mag Estimated Magnitude Drop : 7.8 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 34.4 km/s Object Mean Diameter : 8.8 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.8317 arcs/min @ PA = 71 deg Horizontal Parallax : 2.5690 arcs Dynamical Class : MBA Elongation to Moon & Sun : 35° (sunlit = 47%), Sun = 54° Cross-track uncertainty : 0.4 mas = 0 km = 0.11 path-width (1-sig) RUWE and duplicate source : 2.59 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#63 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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