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):
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] : 8ed41bf9-c724-4e57-86c1-2e5256e1803b [observed]
Occultation Date + Time : 2019-01-11 at 22:45:44 UT +/- 0.01 min [1]
Object Designation : (23) Thalia
Orbit Class : MBA
Star Designation : GDR3 2570714952323704064
Star Coordinates (ICRF) : RA = 01 55 44.3229, DE = +09 10 21.088 [2]
Star Magnitudes : G = 10.93 mag, RP = 10.28 mag, BP = 11.41 mag
Object Magnitude : V = 11.59 mag
Estimated Magnitude Drop : 1.1 mag
Estimated Max. Duration : 8.7 sec
Object Mean Diameter : 108 km (src: astorb)
Speed of the shadow : 12.4 km/s
Elongation to Moon & Sun : 35° (sunlit = 28%), Sun = 99°
Cross-track uncertainty : 2.0 mas = 2 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 0.89 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#114
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
