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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2 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] : c45b5f14-b94f-47c1-928b-a0efc4c2fe47 [observed]
Occultation Date + Time : 2018-09-17 at 23:27:40 UT +/- 0.01 min [1]
Object Designation : (480) Hansa
Orbit Class : MBA
Star Designation : GDR3 1875656095549453440
Star Coordinates (ICRF) : RA = 22 32 13.3883, DE = +23 57 52.409 [2]
Star Magnitudes : G = 12.21 mag, RP = 11.64 mag, BP = 12.62 mag
Object Magnitude : V = 12.33 mag
Estimated Magnitude Drop : 0.8 mag
Estimated Max. Duration : 4.6 sec
Object Mean Diameter : 56 km (src: astorb)
Speed of the shadow : 12.1 km/s
Elongation to Moon & Sun : 75° (sunlit = 60%), Sun = 149°
Cross-track uncertainty : 2.3 mas = 2 km = 0.05 path-width (1-sig)
RUWE and duplicate source : 0.94 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
