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] : ef353fac-ae30-4327-aff9-3a9a9e9cd386 [observed]
Occultation Date + Time : 2017-04-06 at 02:25:14 UT +/- 0.01 min [1]
Object Designation : (238) Hypatia
Orbit Class : MBA
Star Designation : GDR3 4164802887565704704
Star Coordinates (ICRF) : RA = 17 42 13.0136, DE = -10 04 49.917 [2]
Star Magnitudes : G = 15.26 mag, RP = 14.17 mag, BP = 16.5 mag
Object Magnitude : V = 13.59 mag
Estimated Magnitude Drop : 0.2 mag
Estimated Max. Duration : 16.7 sec
Object Mean Diameter : 149 km (src: astorb)
Speed of the shadow : 8.9 km/s
Elongation to Moon & Sun : 129° (sunlit = 74%), Sun = 110°
Cross-track uncertainty : 1.0 mas = 1 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.18 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#108
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0