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] : 742e161a-a66b-40c3-9456-59e4417d3418 [observed]
Occultation Date + Time : 2018-05-14 at 03:09:21 UT +/- 0.02 min [1]
Object Designation : (113) Amalthea
Orbit Class : MBA
Star Designation : GDR3 4123876758371572736
Star Coordinates (ICRF) : RA = 17 44 49.5518, DE = -16 42 19.637 [2]
Star Magnitudes : G = 12.4 mag, RP = 11.42 mag, BP = 13.38 mag
Object Magnitude : V = 11.57 mag
Estimated Magnitude Drop : 0.4 mag
Estimated Max. Duration : 9.3 sec
Object Mean Diameter : 46 km (src: astorb)
Speed of the shadow : 5.0 km/s
Elongation to Moon & Sun : 129° (sunlit = 2%), Sun = 146°
Cross-track uncertainty : 1.0 mas = 0 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 0.92 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#144
Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0