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Stellar Occultation by (140720) 2001 UO93 on 2023-06-27 (23:32:19 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] : c78fcd20-ddb3-11f0-547e-c9815dfcebe9 [observed]

 Occultation Date + Time   : 2023-06-27 at 23:32:19 UT +/- 0.02 min  [1]
 Object Designation        : (140720) 2001 UO93
 Star Designation          : GDR3 6915266786763512448
 Star Coordinates (ICRF)   : RA = 20 48 11.0637, DE = -02 38 26.700  [2]
 Star Magnitudes           : G = 8.47 mag, RP = 7.72 mag, BP = 9.08 mag
 Object Magnitude          : V = 20.05 mag
 Estimated Magnitude Drop  : 11.6 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 7.7 km/s
 Object Mean Diameter      : 3.9 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.2533 arcs/min @ PA = 262 deg
 Horizontal Parallax       : 3.4890 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 108° (sunlit = 66%), Sun = 140°
 Cross-track uncertainty   : 1.3 mas = 2 km = 0.61 path-width (1-sig)
 RUWE and duplicate source : 1.09 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#51
 Note                      : FP:true

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


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