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):
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] : c0ec427c-5ed2-4ff5-ab45-444e8d2acb2c [observed]
Occultation Date + Time : 2011-11-17 at 20:36:04 UT +/- 0.02 min [1]
Object Designation : (13) Egeria
Orbit Class : MBA
Star Designation : GDR3 2422559230815008000
Star Coordinates (ICRF) : RA = 00 05 03.4612, DE = -10 52 29.792 [2]
Star Magnitudes : G = 12.15 mag, RP = 11.57 mag, BP = 12.57 mag
Object Magnitude : V = 11.46 mag
Estimated Magnitude Drop : 0.5 mag
Estimated Max. Duration : 25.3 sec
Object Mean Diameter : 208 km (src: astorb)
Speed of the shadow : 8.2 km/s
Elongation to Moon & Sun : 136° (sunlit = 58%), Sun = 121°
Cross-track uncertainty : 2.3 mas = 3 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#117
Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
