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Stellar Occultation by (51764) 2001 LR8 on 2023-08-20 (21:56:12 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] : f262a180-ddb3-11f0-547e-2a346f85be09 [observed]

 Occultation Date + Time   : 2023-08-20 at 21:56:12 UT +/- 0.0 min  [1]
 Object Designation        : (51764) 2001 LR8
 Star Designation          : GDR3 2685811966958547456
 Star Coordinates (ICRF)   : RA = 21 17 49.4900, DE = -01 27 52.895  [2]
 Star Magnitudes           : G = 12.21 mag, RP = 11.62 mag, BP = 12.64 mag
 Object Magnitude          : V = 18.8 mag
 Estimated Magnitude Drop  : 6.6 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 14.2 km/s
 Object Mean Diameter      : 5.8 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.4883 arcs/min @ PA = 249 deg
 Horizontal Parallax       : 3.6490 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 123° (sunlit = 18%), Sun = 165°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.21 path-width (1-sig)
 RUWE and duplicate source : 0.78 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL47
 Note                      : FP:true

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


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