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Stellar Occultation by (251803) 1999 TV51 on 2025-09-21 (22:15:06 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] : 6d21fbb0-ddb8-11f0-547e-fd8bf3bd99ce [observed] Occultation Date + Time : 2025-09-21 at 22:15:06 UT +/- 0.17 min [1] Object Designation : (251803) 1999 TV51 Star Designation : GDR3 4261659171786397824 Star Coordinates (ICRF) : RA = 19 00 46.2130, DE = -02 41 54.677 [2] Star Magnitudes : G = 12.15 mag, RP = 11.17 mag, BP = 13.14 mag Object Magnitude : V = 21.88 mag Estimated Magnitude Drop : 9.7 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 10.0 km/s Object Mean Diameter : 2.5 km (src: astorb) => apparent = 1 mas Apparent Motion : 0.2567 arcs/min @ PA = 141 deg Horizontal Parallax : 2.7250 arcs Dynamical Class : MBA Elongation to Moon & Sun : 105° (sunlit = 0%), Sun = 106° Cross-track uncertainty : 25.3 mas = 59 km = 23.69 path-width (1-sig) RUWE and duplicate source : 1.14 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#23 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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