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] : 1e727c59-3057-4f92-804d-1f1fd9ad006a [observed]
Occultation Date + Time : 2020-11-05 at 03:06:11 UT +/- 0.01 min [1]
Object Designation : (4484) Sif
Orbit Class : MBA
Star Designation : GDR3 0699500780674672128
Star Coordinates (ICRF) : RA = 09 04 08.5443, DE = +29 41 20.995 [2]
Star Magnitudes : G = 13.11 mag, RP = 12.59 mag, BP = 13.46 mag
Object Magnitude : V = 17.2 mag
Estimated Magnitude Drop : 4.1 mag
Estimated Max. Duration : 1.1 sec
Object Mean Diameter : 21 km (src: astorb)
Speed of the shadow : 20.4 km/s
Elongation to Moon & Sun : 38° (sunlit = 82%), Sun = 93°
Cross-track uncertainty : 1.0 mas = 1 km = 0.07 path-width (1-sig)
RUWE and duplicate source : 1.18 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#50
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0