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] : f6299513-8808-4aa8-88c5-b61f00439685 [observed]
Occultation Date + Time : 2018-06-02 at 02:16:37 UT +/- 0.01 min [1]
Object Designation : (181) Eucharis
Orbit Class : MBA
Star Designation : GDR3 4179079565008255104
Star Coordinates (ICRF) : RA = 17 57 07.0751, DE = -01 28 41.011 [2]
Star Magnitudes : G = 13.03 mag, RP = 12.23 mag, BP = 13.7 mag
Object Magnitude : V = 13.73 mag
Estimated Magnitude Drop : 1.2 mag
Estimated Max. Duration : 7.4 sec
Object Mean Diameter : 106 km (src: astorb)
Speed of the shadow : 14.4 km/s
Elongation to Moon & Sun : 29° (sunlit = 89%), Sun = 152°
Cross-track uncertainty : 1.3 mas = 2 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.48 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#99
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0