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] : 59ec40c8-8179-4ee9-a97b-6a0a657a6817 [observed]
Occultation Date + Time : 2017-04-08 at 03:03:33 UT +/- 0.01 min [1]
Object Designation : (131) Vala
Orbit Class : MBA
Star Designation : GDR3 6264702043129584896
Star Coordinates (ICRF) : RA = 15 36 59.5651, DE = -15 47 30.658 [2]
Star Magnitudes : G = 12.26 mag, RP = 11.73 mag, BP = 12.62 mag
Object Magnitude : V = 13.37 mag
Estimated Magnitude Drop : 1.4 mag
Estimated Max. Duration : 10.8 sec
Object Mean Diameter : 40 km (src: astorb)
Speed of the shadow : 3.7 km/s
Elongation to Moon & Sun : 73° (sunlit = 90%), Sun = 143°
Cross-track uncertainty : 0.7 mas = 0 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.94 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#94
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0