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):
Q: model quality flag (0-5, 5=highest) | P: rotation period | λ,β: ecl. lon. and lat. of spin axis (J2000) | JD: initial time (epoch) | φ0: initial rotation angle for JD0
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Map with groundtrack and observer stations
Event Details
Occultation UUID [and DB] : 37764c1c-6c1c-46e7-b5e8-373a0e7b3473 [observed]
Occultation Date + Time : 2008-05-09 at 20:02:44 UT +/- 0.0 min [1]
Object Designation : (584) Semiramis
Orbit Class : MBA
Star Designation : GDR3 3376921373673826432
Star Coordinates (ICRF) : RA = 06 15 08.5789, DE = +22 08 00.850 [2]
Star Magnitudes : G = 10.74 mag, RP = 9.8 mag, BP = 11.65 mag
Object Magnitude : V = 13.59 mag
Estimated Magnitude Drop : 2.9 mag
Estimated Max. Duration : 1.4 sec
Object Mean Diameter : 54 km (src: astorb)
Speed of the shadow : 40.0 km/s
Elongation to Moon & Sun : 17° (sunlit = 25%), Sun = 44°
Cross-track uncertainty : 1.7 mas = 3 km = 0.07 path-width (1-sig)
RUWE and duplicate source : 0.85 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#111
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
