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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1 observation found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 3e91ffce-8c24-44a0-b412-94b626ce728a [observed]
Occultation Date + Time : 2021-06-15 at 00:07:29 UT +/- 0.02 min [1]
Object Designation : (8891) Irokawa
Orbit Class : MBA
Star Designation : GDR3 4152219904704678784
Star Coordinates (ICRF) : RA = 18 01 25.1266, DE = -10 20 40.461 [2]
Star Magnitudes : G = 14.27 mag, RP = 13.04 mag, BP = 15.99 mag
Object Magnitude : V = 17.63 mag
Estimated Magnitude Drop : 3.4 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 9 km (src: astorb)
Speed of the shadow : 13.5 km/s
Elongation to Moon & Sun : 132° (sunlit = 19%), Sun = 166°
Cross-track uncertainty : 1.0 mas = 1 km = 0.18 path-width (1-sig)
RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#45
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0