UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
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2 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 38c02b8f-e1f3-4807-ac9b-8aaf90d0eaaa [observed]
Occultation Date + Time : 2022-04-16 at 04:32:21 UT +/- 0.14 min [1]
Object Designation : (6557) Yokonomura
Orbit Class : MBA
Star Designation : GDR3 4062448937874467968
Star Coordinates (ICRF) : RA = 18 03 28.6342, DE = -28 30 21.280 [2]
Star Magnitudes : G = 11.59 mag, RP = 10.86 mag, BP = 12.17 mag
Object Magnitude : V = 18.73 mag
Estimated Magnitude Drop : 7.1 mag
Estimated Max. Duration : 2.6 sec
Object Mean Diameter : 10 km (src: astorb)
Speed of the shadow : 4.1 km/s
Elongation to Moon & Sun : 73° (sunlit = 100%), Sun = 115°
Cross-track uncertainty : 1.0 mas = 2 km = 0.22 path-width (1-sig)
RUWE and duplicate source : 0.62 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#46
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0