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Stellar Occultation by (158) Koronis on 2024-09-07 (20:05:45 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] : 2afb8d60-c355-11ef-5276-da83debed5a7 [observed]

 Occultation Date + Time   : 2024-09-07 at 20:05:45 UT +/- 0.03 min  [1]
 Object Designation        : (158) Koronis
 Star Designation          : GDR3 6868572791380606464
 Star Coordinates (ICRF)   : RA = 19 46 38.3515, DE = -20 26 26.356  [2]
 Star Magnitudes           : G = 12.48 mag, RP = 11.82 mag, BP = 12.97 mag
 Object Magnitude          : V = 14.22 mag
 Estimated Magnitude Drop  : 1.9 mag
 Estimated Max. Duration   : 16.9 sec
 Object Mean Diameter      : 35 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 2.1 km/s
 Elongation to Moon & Sun  : 78° (sunlit = 19%), Sun = 129°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 0.9 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#67

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


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