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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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