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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3 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Q: model quality flag (0-5, 5=highest) | P: rotation period | λ,β: ecl. lon. and lat. of spin axis (J2000) | JD: initial time (epoch) | φ0: initial rotation angle for JD0
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Map with groundtrack and observer stations
Event Details
Occultation UUID [and DB] : 4be86f0d-8b92-4392-851f-38feac27cc17 [observed]
Occultation Date + Time : 2013-05-20 at 23:51:15 UT +/- 0.02 min [1]
Object Designation : (480) Hansa
Orbit Class : MBA
Star Designation : GDR3 4252358437293111808
Star Coordinates (ICRF) : RA = 18 48 21.2155, DE = -06 55 58.460 [2]
Star Magnitudes : G = 10.88 mag, RP = 10.57 mag, BP = 11.06 mag
Object Magnitude : V = 12.8 mag
Estimated Magnitude Drop : 2.1 mag
Estimated Max. Duration : 5.1 sec
Object Mean Diameter : 56 km (src: astorb)
Speed of the shadow : 11.1 km/s
Elongation to Moon & Sun : 99° (sunlit = 78%), Sun = 135°
Cross-track uncertainty : 1.7 mas = 2 km = 0.04 path-width (1-sig)
RUWE and duplicate source : 0.69 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
