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Stellar Occultation by (169109) 2001 OY24 on 2024-12-20 (22:33:31 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] : 4bd475f0-c35b-11ef-5276-74a7f5fd3a95 [observed]

 Occultation Date + Time   : 2024-12-20 at 22:33:31 UT +/- 0.1 min  [1]
 Object Designation        : (169109) 2001 OY24
 Star Designation          : GDR3 0145370181816533632
 Star Coordinates (ICRF)   : RA = 04 23 11.1218, DE = +21 43 05.927  [2]
 Star Magnitudes           : G = 13.06 mag, RP = 12.3 mag, BP = 13.67 mag
 Object Magnitude          : V = 18.84 mag
 Estimated Magnitude Drop  : 5.8 mag
 Estimated Max. Duration   : 0.4 sec
 Object Mean Diameter      : 3 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 8.8 km/s
 Elongation to Moon & Sun  : 90° (sunlit = 69%), Sun = 158°
 Cross-track uncertainty   : 24.3 mas = 28 km = 9.03 path-width (1-sig)
 RUWE and duplicate source : 1.05 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#36

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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