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Stellar Occultation by (8721) AMOS on 2023-05-21 (01:40:16 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] : 99db83b0-ddb3-11f0-547e-6664ffff1e96 [observed]

 Occultation Date + Time   : 2023-05-21 at 01:40:16 UT +/- 0.06 min  [1]
 Object Designation        : (8721) AMOS
 Star Designation          : GDR3 6873483695643666176
 Star Coordinates (ICRF)   : RA = 20 20 05.9980, DE = -16 50 22.708  [2]
 Star Magnitudes           : G = 14.46 mag, RP = 13.9 mag, BP = 14.85 mag
 Object Magnitude          : V = 17.76 mag
 Estimated Magnitude Drop  : 3.4 mag
 Estimated Max. Duration   : 5.2 sec
 Speed of the shadow       : 3.3 km/s
 Object Mean Diameter      : 17.2 km  (src: astorb) => apparent = 7 mas
 Apparent Motion           : 0.0833 arcs/min @ PA = 31 deg
 Horizontal Parallax       : 2.6850 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 133° (sunlit = 2%), Sun = 116°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.10 path-width (1-sig)
 RUWE and duplicate source : 1.21 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#70
 Note                      : FP:true

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


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