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] : 3ccedbc1-9f60-45e1-b203-9909318ed3ce [observed]
Occultation Date + Time : 2021-06-07 at 02:47:37 UT +/- 0.05 min [1]
Object Designation : (18562) Ellenkey
Orbit Class : MBA
Star Designation : GDR3 4076241177396846080
Star Coordinates (ICRF) : RA = 18 34 20.9734, DE = -25 10 13.370 [2]
Star Magnitudes : G = 9.98 mag, RP = 9.1 mag, BP = 10.81 mag
Object Magnitude : V = 17.9 mag
Estimated Magnitude Drop : 7.9 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 7 km (src: astorb)
Speed of the shadow : 9.1 km/s
Elongation to Moon & Sun : 122° (sunlit = 10%), Sun = 159°
Cross-track uncertainty : 1.3 mas = 1 km = 0.28 path-width (1-sig)
RUWE and duplicate source : 0.67 mas, dup.src = 1 (0:false, 1:true)
Ephemeris Reference : JPL#41
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0