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] : 10abb59a-cbe2-48f1-996e-4b740a169eb3 [observed]
Occultation Date + Time : 2013-05-18 at 23:02:12 UT +/- 0.02 min [1]
Object Designation : (480) Hansa
Orbit Class : MBA
Star Designation : GDR3 4252285560284702208
Star Coordinates (ICRF) : RA = 18 49 07.5447, DE = -07 15 23.357 [2]
Star Magnitudes : G = 12.09 mag, RP = 11.33 mag, BP = 12.72 mag
Object Magnitude : V = 12.84 mag
Estimated Magnitude Drop : 1.2 mag
Estimated Max. Duration : 5.2 sec
Object Mean Diameter : 56 km (src: astorb)
Speed of the shadow : 10.9 km/s
Elongation to Moon & Sun : 126° (sunlit = 58%), Sun = 133°
Cross-track uncertainty : 1.7 mas = 2 km = 0.04 path-width (1-sig)
RUWE and duplicate source : 0.89 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#66
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0