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Stellar Occultation by (76312) 2000 ER138 on 2023-05-29 (22:31:05 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] : a8a92ff0-ddb3-11f0-547e-b2f0fdf6247a [observed]

 Occultation Date + Time   : 2023-05-29 at 22:31:05 UT +/- 0.0 min  [1]
 Object Designation        : (76312) 2000 ER138
 Star Designation          : GDR3 4459230729716607488
 Star Coordinates (ICRF)   : RA = 16 34 29.5138, DE = +11 39 36.997  [2]
 Star Magnitudes           : G = 14.35 mag, RP = 13.93 mag, BP = 14.6 mag
 Object Magnitude          : V = 17.95 mag
 Estimated Magnitude Drop  : 3.6 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 12.1 km/s
 Object Mean Diameter      : 7.9 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.4650 arcs/min @ PA = 276 deg
 Horizontal Parallax       : 4.0670 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 64° (sunlit = 72%), Sun = 147°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 1.43 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#61
 Note                      : FP:true

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


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