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] : c0b57bb5-21e6-4b84-9c45-1deb3fbce6a6 [observed]
Occultation Date + Time : 2020-12-10 at 00:50:57 UT +/- 0.02 min [1]
Object Designation : (168) Sibylla
Orbit Class : MBA
Star Designation : GDR3 3358965146201969920
Star Coordinates (ICRF) : RA = 06 35 42.2097, DE = +17 10 02.210 [2]
Star Magnitudes : G = 13.37 mag, RP = 12.78 mag, BP = 13.78 mag
Object Magnitude : V = 13.21 mag
Estimated Magnitude Drop : 0.7 mag
Estimated Max. Duration : 12.3 sec
Object Mean Diameter : 148 km (src: astorb)
Speed of the shadow : 12.1 km/s
Elongation to Moon & Sun : 97° (sunlit = 28%), Sun = 159°
Cross-track uncertainty : 1.7 mas = 2 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.06 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#71
Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0