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] : cbd7f9b2-bc23-4178-800c-fd08e2077558 [observed]
Occultation Date + Time : 2017-09-13 at 19:32:21 UT +/- 0.08 min [1]
Object Designation : (420) Bertholda
Orbit Class : MBA
Star Designation : GDR3 0061699786484793088
Star Coordinates (ICRF) : RA = 03 26 24.9241, DE = +22 03 18.904 [2]
Star Magnitudes : G = 13.4 mag, RP = 12.76 mag, BP = 13.87 mag
Object Magnitude : V = 14.14 mag
Estimated Magnitude Drop : 1.2 mag
Estimated Max. Duration : 62.9 sec
Object Mean Diameter : 141 km (src: astorb)
Speed of the shadow : 2.2 km/s
Elongation to Moon & Sun : 34° (sunlit = 44%), Sun = 116°
Cross-track uncertainty : 1.3 mas = 2 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#132
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0