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Stellar Occultation by (331882) 2004 CR120 on 2025-08-15 (20:41:00 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] : 4b3d0810-ddb7-11f0-547e-6a67afbd6c3e [observed] Occultation Date + Time : 2025-08-15 at 20:41:00 UT +/- 0.13 min [1] Object Designation : (331882) 2004 CR120 Star Designation : GDR3 4251789169545510656 Star Coordinates (ICRF) : RA = 18 42 37.7730, DE = -08 11 05.749 [2] Star Magnitudes : G = 10.59 mag, RP = 9.65 mag, BP = 11.52 mag Object Magnitude : V = 20.19 mag Estimated Magnitude Drop : 9.6 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 8.8 km/s Object Mean Diameter : 3.1 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.3200 arcs/min @ PA = 208 deg Horizontal Parallax : 3.8900 arcs Dynamical Class : MBA Elongation to Moon & Sun : 125° (sunlit = 54%), Sun = 136° Cross-track uncertainty : 2.0 mas = 3 km = 1.06 path-width (1-sig) RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#31 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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