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Stellar Occultation by (51158) 2000 HG57 on 2023-06-14 (23:48:58 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] : b2014ec0-ddb3-11f0-547e-a463dbdeb926 [observed]

 Occultation Date + Time   : 2023-06-14 at 23:48:58 UT +/- 0.01 min  [1]
 Object Designation        : (51158) 2000 HG57
 Star Designation          : GDR3 4124235821998623616
 Star Coordinates (ICRF)   : RA = 17 33 53.1651, DE = -17 26 18.795  [2]
 Star Magnitudes           : G = 11.16 mag, RP = 8.55 mag, BP = 15.65 mag
 Object Magnitude          : V = 18.02 mag
 Estimated Magnitude Drop  : 6.9 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 12.2 km/s
 Object Mean Diameter      : 5.8 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.5017 arcs/min @ PA = 266 deg
 Horizontal Parallax       : 4.3630 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 142° (sunlit = 11%), Sun = 174°
 Cross-track uncertainty   : 0.9 mas = 1 km = 0.23 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 1  (0:false, 1:true)

 Ephemeris Reference       : JPL#59
 Note                      : FP:true

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


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