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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2 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] : fa9220f1-3adf-43c7-bfc5-227960be688c [observed]
Occultation Date + Time : 2010-12-11 at 20:49:31 UT +/- 0.07 min [1]
Object Designation : (249) Ilse
Orbit Class : MBA
Star Designation : GDR3 0140108911301649536
Star Coordinates (ICRF) : RA = 02 46 52.5196, DE = +34 43 57.718 [2]
Star Magnitudes : G = 11.97 mag, RP = 11.25 mag, BP = 12.55 mag
Object Magnitude : V = 13.96 mag
Estimated Magnitude Drop : 2.2 mag
Estimated Max. Duration : 7.3 sec
Object Mean Diameter : 35 km (src: astorb)
Speed of the shadow : 4.8 km/s
Elongation to Moon & Sun : 78° (sunlit = 34%), Sun = 146°
Cross-track uncertainty : 4.3 mas = 3 km = 0.10 path-width (1-sig)
RUWE and duplicate source : 1.03 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#51
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0