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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3 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : c7aa8300-a65d-4f20-a422-d574c645ada0 [observed]
Occultation Date + Time : 2007-10-07 at 18:34:01 UT +/- 0.02 min [1]
Object Designation : (1881) Shao
Orbit Class : MBA
Star Designation : GDR3 4147089166817035136
Star Coordinates (ICRF) : RA = 18 03 59.2219, DE = -14 08 27.322 [2]
Star Magnitudes : G = 11.83 mag, RP = 10.92 mag, BP = 12.7 mag
Object Magnitude : V = 17.05 mag
Estimated Magnitude Drop : 5.2 mag
Estimated Max. Duration : 1.3 sec
Object Mean Diameter : 31 km (src: astorb)
Speed of the shadow : 24.8 km/s
Elongation to Moon & Sun : 115° (sunlit = 11%), Sun = 77°
Cross-track uncertainty : 1.3 mas = 2 km = 0.09 path-width (1-sig)
RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#65
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0