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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6 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : c973f3f0-39da-4e26-ac64-e5a6428521b6 [observed]
Occultation Date + Time : 2018-04-17 at 20:27:10 UT +/- 0.02 min [1]
Object Designation : (4164) Shilov
Orbit Class : MBA
Star Designation : GDR3 3592789075667555200
Star Coordinates (ICRF) : RA = 11 33 31.0909, DE = -07 52 03.369 [2]
Star Magnitudes : G = 11.26 mag, RP = 10.56 mag, BP = 11.81 mag
Object Magnitude : V = 16.44 mag
Estimated Magnitude Drop : 5.2 mag
Estimated Max. Duration : 1.2 sec
Object Mean Diameter : 12 km (src: astorb)
Speed of the shadow : 9.9 km/s
Elongation to Moon & Sun : 124° (sunlit = 4%), Sun = 148°
Cross-track uncertainty : 1.7 mas = 2 km = 0.19 path-width (1-sig)
RUWE and duplicate source : 0.8 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#60
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0