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] : b36b1e13-f551-4cb5-b67a-91cd7720ab4e [observed]
Occultation Date + Time : 2021-07-31 at 20:49:08 UT +/- 0.09 min [1]
Object Designation : (14356) 1987 SF6
Orbit Class : MBA
Star Designation : GDR3 4104165164990753408
Star Coordinates (ICRF) : RA = 18 31 16.6408, DE = -14 10 21.557 [2]
Star Magnitudes : G = 11.1 mag, RP = 10.25 mag, BP = 11.85 mag
Object Magnitude : V = 17.87 mag
Estimated Magnitude Drop : 6.8 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 : 125° (sunlit = 47%), Sun = 148°
Cross-track uncertainty : 8.3 mas = 6 km = 2.18 path-width (1-sig)
RUWE and duplicate source : 0.85 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