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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4 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 4e6b420d-9f83-4e02-bcba-5825d49e1520 [observed]
Occultation Date + Time : 2011-12-25 at 00:39:00 UT +/- 0.01 min [1]
Object Designation : (74) Galatea
Orbit Class : MBA
Star Designation : GDR3 3167902594027020800
Star Coordinates (ICRF) : RA = 07 23 12.3598, DE = +15 37 33.084 [2]
Star Magnitudes : G = 10.29 mag, RP = 9.9 mag, BP = 10.53 mag
Object Magnitude : V = 12.71 mag
Estimated Magnitude Drop : 2.5 mag
Estimated Max. Duration : 10.5 sec
Object Mean Diameter : 119 km (src: astorb)
Speed of the shadow : 11.3 km/s
Elongation to Moon & Sun : 166° (sunlit = 0%), Sun = 162°
Cross-track uncertainty : 1.0 mas = 1 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.2 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#127
Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0