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Stellar Occultation by (4557) Mika on 2024-10-09 (03:17:44 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] : 1a6c4910-c357-11ef-5276-cf2aff8f76ac [observed]

 Occultation Date + Time   : 2024-10-09 at 03:17:44 UT +/- 0.0 min  [1]
 Object Designation        : (4557) Mika
 Star Designation          : GDR3 3357254611047022976
 Star Coordinates (ICRF)   : RA = 06 28 57.2577, DE = +15 52 03.214  [2]
 Star Magnitudes           : G = 10.13 mag, RP = 9.64 mag, BP = 10.46 mag
 Object Magnitude          : V = 17.51 mag
 Estimated Magnitude Drop  : 7.4 mag
 Estimated Max. Duration   : 1.2 sec
 Object Mean Diameter      : 13.2 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 11.2 km/s
 Elongation to Moon & Sun  : 164° (sunlit = 33%), Sun = 99°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.10 path-width (1-sig)
 RUWE and duplicate source : 3.62 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#65

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


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