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):
Occultation UUID [and DB] : 1a35a2ca-601a-4ecb-9842-532dfdb7ea5d [observed]
Occultation Date + Time : 2011-12-20 at 03:35:19 UT +/- 0.01 min [1]
Object Designation : (156) Xanthippe
Orbit Class : MBA
Star Designation : GDR3 3345886421028172160
Star Coordinates (ICRF) : RA = 06 14 04.8243, DE = +16 10 30.936 [2]
Star Magnitudes : G = 13.27 mag, RP = 12.75 mag, BP = 13.63 mag
Object Magnitude : V = 13.12 mag
Estimated Magnitude Drop : 0.7 mag
Estimated Max. Duration : 8.3 sec
Object Mean Diameter : 121 km (src: astorb)
Speed of the shadow : 14.6 km/s
Elongation to Moon & Sun : 112° (sunlit = 27%), Sun = 171°
Cross-track uncertainty : 1.3 mas = 1 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.07 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#189
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0