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] : 676f5e75-e1f0-4fc3-9d65-b8809e8b9d65 [observed]
Occultation Date + Time : 2021-07-31 at 20:22:22 UT +/- 0.09 min [1]
Object Designation : (14356) 1987 SF6
Orbit Class : MBA
Star Designation : GDR3 4104165164990751616
Star Coordinates (ICRF) : RA = 18 31 17.2905, DE = -14 10 16.421 [2]
Star Magnitudes : G = 14.57 mag, RP = 13.09 mag, BP = 17.57 mag
Object Magnitude : V = 17.87 mag
Estimated Magnitude Drop : 3.4 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 3 km (src: astorb)
Speed of the shadow : 5.6 km/s
Elongation to Moon & Sun : 124° (sunlit = 47%), Sun = 148°
Cross-track uncertainty : 8.3 mas = 6 km = 2.18 path-width (1-sig)
RUWE and duplicate source : 1.19 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#37
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0