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Stellar Occultation by (21587) Christopynn on 2023-10-10 (00:17:58 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] : 275af6d0-ddb4-11f0-547e-549bf6db9bdf [observed]

 Occultation Date + Time   : 2023-10-10 at 00:17:58 UT +/- 0.0 min  [1]
 Object Designation        : (21587) Christopynn
 Star Designation          : GDR3 3160045930611955328
 Star Coordinates (ICRF)   : RA = 07 16 51.8947, DE = +12 09 39.555  [2]
 Star Magnitudes           : G = 12.52 mag, RP = 11.8 mag, BP = 13.08 mag
 Object Magnitude          : V = 18.34 mag
 Estimated Magnitude Drop  : 5.8 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 17.7 km/s
 Object Mean Diameter      : 10.0 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.5067 arcs/min @ PA = 119 deg
 Horizontal Parallax       : 3.0380 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 38° (sunlit = 19%), Sun = 87°
 Cross-track uncertainty   : 0.1 mas = 0 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.09 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL66
 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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