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] : 9aa15a79-6486-425f-b310-a0e335467623 [observed]
Occultation Date + Time : 2017-12-27 at 03:40:17 UT +/- 0.0 min [1]
Object Designation : (284) Amalia
Orbit Class : MBA
Star Designation : GDR3 3394004859492818944
Star Coordinates (ICRF) : RA = 05 15 07.5569, DE = +16 39 50.224 [2]
Star Magnitudes : G = 9.47 mag, RP = 8.99 mag, BP = 9.77 mag
Object Magnitude : V = 14.43 mag
Estimated Magnitude Drop : 5.0 mag
Estimated Max. Duration : 4.0 sec
Object Mean Diameter : 53 km (src: astorb)
Speed of the shadow : 13.2 km/s
Elongation to Moon & Sun : 64° (sunlit = 58%), Sun = 162°
Cross-track uncertainty : 0.7 mas = 0 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 3.44 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#135
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0