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Stellar Occultation by (37069) 2000 UC50 on 2023-09-16 (18:36:50 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] : 0ae4e470-ddb4-11f0-547e-239cfff3b7d6 [observed]

 Occultation Date + Time   : 2023-09-16 at 18:36:50 UT +/- 0.0 min  [1]
 Object Designation        : (37069) 2000 UC50
 Star Designation          : GDR3 4069812538979815552
 Star Coordinates (ICRF)   : RA = 18 08 33.4473, DE = -21 55 12.528  [2]
 Star Magnitudes           : G = 14.47 mag, RP = 13.73 mag, BP = 14.98 mag
 Object Magnitude          : V = 20.38 mag
 Estimated Magnitude Drop  : 5.9 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 11.7 km/s
 Object Mean Diameter      : 3.7 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3583 arcs/min @ PA = 95 deg
 Horizontal Parallax       : 3.2710 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 79° (sunlit = 3%), Sun = 98°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.16 path-width (1-sig)
 RUWE and duplicate source : 0.91 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL40
 Note                      : FP:true

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


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