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] : 932a4c0d-5431-4013-9b3b-14d0f69744c8 [observed]
Occultation Date + Time : 2021-11-27 at 20:04:40 UT +/- 0.03 min [1]
Object Designation : (7666) Keyaki
Orbit Class : MBA
Star Designation : GDR3 3442652858839735936
Star Coordinates (ICRF) : RA = 05 39 28.1707, DE = +28 26 27.936 [2]
Star Magnitudes : G = 11.31 mag, RP = 10.81 mag, BP = 11.63 mag
Object Magnitude : V = 17.28 mag
Estimated Magnitude Drop : 6.0 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 6 km (src: astorb)
Speed of the shadow : 9.5 km/s
Elongation to Moon & Sun : 74° (sunlit = 47%), Sun = 160°
Cross-track uncertainty : 1.3 mas = 1 km = 0.25 path-width (1-sig)
RUWE and duplicate source : 1.2 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#47
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0