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Stellar Occultation by (1866) Sisyphus on 2023-04-19 (21:44:02 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] : 8d87ff30-ddb3-11f0-547e-08197ffeb1e2 [observed]

 Occultation Date + Time   : 2023-04-19 at 21:44:02 UT +/- 0.0 min  [1]
 Object Designation        : (1866) Sisyphus
 Star Designation          : GDR3 0857839903999648768
 Star Coordinates (ICRF)   : RA = 11 23 29.3921, DE = +59 35 24.037  [2]
 Star Magnitudes           : G = 12.52 mag, RP = 11.85 mag, BP = 13.04 mag
 Object Magnitude          : V = 17.65 mag
 Estimated Magnitude Drop  : 5.1 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 18.9 km/s
 Object Mean Diameter      : 11.0 km  (src: astorb) => apparent = 6 mas
 Apparent Motion           : 0.6483 arcs/min @ PA = 213 deg
 Horizontal Parallax       : 3.6430 arcs
 Dynamical Class           : NEO
 Elongation to Moon & Sun  : 106° (sunlit = 0%), Sun = 103°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL1139
 Note                      : FP:true

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


More Data and Informations
SiMDA | 3D Asteroid Catalogue | Johnston Archive | Star at CDS (Vizier) | JPL Small-Body Node | Minor Planet Center | Wikipedia
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