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] : 771a6b59-a685-4665-938e-303023e4a973 [observed]
Occultation Date + Time : 2016-01-02 at 19:03:54 UT +/- 0.0 min [1]
Object Designation : (131) Vala
Orbit Class : MBA
Star Designation : GDR3 3430419073996202496
Star Coordinates (ICRF) : RA = 06 02 28.1271, DE = +27 21 39.406 [2]
Star Magnitudes : G = 13.72 mag, RP = 13.21 mag, BP = 14.03 mag
Object Magnitude : V = 13.41 mag
Estimated Magnitude Drop : 0.6 mag
Estimated Max. Duration : 3.5 sec
Object Mean Diameter : 40 km (src: astorb)
Speed of the shadow : 11.7 km/s
Elongation to Moon & Sun : 107° (sunlit = 45%), Sun = 168°
Cross-track uncertainty : 0.7 mas = 0 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.34 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