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Stellar Occultation by (18153) 2000 OC61 on 2023-12-30 (18:29:16 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] : 515bd530-ddb4-11f0-547e-7bb1dafd6af5 [observed]

 Occultation Date + Time   : 2023-12-30 at 18:29:16 UT +/- 0.0 min  [1]
 Object Designation        : (18153) 2000 OC61
 Star Designation          : GDR3 0194398637953376896
 Star Coordinates (ICRF)   : RA = 05 35 58.8527, DE = +41 35 06.491  [2]
 Star Magnitudes           : G = 11.79 mag, RP = 11.41 mag, BP = 12.02 mag
 Object Magnitude          : V = 17.62 mag
 Estimated Magnitude Drop  : 5.8 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 14.9 km/s
 Object Mean Diameter      : 10.8 km  (src: astorb) => apparent = 6 mas
 Apparent Motion           : 0.4967 arcs/min @ PA = 252 deg
 Horizontal Parallax       : 3.5540 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 56° (sunlit = 87%), Sun = 157°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL59
 Note                      : FP:true

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


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