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] : f5e89e5b-8049-4cf6-8acd-a138540acf9e [observed]
Occultation Date + Time : 2010-01-27 at 21:33:44 UT +/- 0.02 min [1]
Object Designation : (234) Barbara
Orbit Class : MBA
Star Designation : GDR3 3329295473462560512
Star Coordinates (ICRF) : RA = 06 06 29.3626, DE = +08 35 50.132 [2]
Star Magnitudes : G = 12.6 mag, RP = 12.07 mag, BP = 12.97 mag
Object Magnitude : V = 13.25 mag
Estimated Magnitude Drop : 1.1 mag
Estimated Max. Duration : 4.2 sec
Object Mean Diameter : 44 km (src: astorb)
Speed of the shadow : 10.4 km/s
Elongation to Moon & Sun : 17° (sunlit = 92%), Sun = 141°
Cross-track uncertainty : 1.7 mas = 2 km = 0.05 path-width (1-sig)
RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#107
Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0