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Stellar Occultation by (644) Cosima on 2024-08-28 (21:11:42 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] : 72269510-860e-11ef-78cd-129eb7db67a8 [asteroids]

 Occultation Date + Time   : 2024-08-28 at 21:11:42 UT +/- 0.01 min  [1]
 Object Designation        : (644) Cosima
 Star Designation          : GDR3 2610435771949962880
 Star Coordinates (ICRF)   : RA = 22 59 31.8471, DE = -07 59 59.126  [2]
 Star Magnitudes           : G = 14.66 mag, RP = 14.17 mag, BP = 14.99 mag
 Object Magnitude          : V = 13.43 mag
 Estimated Magnitude Drop  : 0.3 mag
 Estimated Max. Duration   : 2.4 sec
 Object Mean Diameter      : 19.9 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 8.3 km/s
 Elongation to Moon & Sun  : 114° (sunlit = 25%), Sun = 173°
 Cross-track uncertainty   : 1.3 mas = 1 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 1.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#69

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


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