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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5 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : dd443a15-7ed7-4fb6-966a-3cc5ca9547d6 [observed]
Occultation Date + Time : 2020-09-11 at 19:50:27 UT +/- 0.06 min [1]
Object Designation : (6860) Sims
Orbit Class : MBA
Star Designation : GDR3 4078933327229691776
Star Coordinates (ICRF) : RA = 18 47 01.2712, DE = -22 09 38.657 [2]
Star Magnitudes : G = 12.88 mag, RP = 12.04 mag, BP = 13.61 mag
Object Magnitude : V = 19.35 mag
Estimated Magnitude Drop : 6.5 mag
Estimated Max. Duration : 1.5 sec
Object Mean Diameter : 7 km (src: astorb)
Speed of the shadow : 4.7 km/s
Elongation to Moon & Sun : 175° (sunlit = 36%), Sun = 111°
Cross-track uncertainty : 3.0 mas = 6 km = 0.93 path-width (1-sig)
RUWE and duplicate source : 0.86 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