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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2 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 3b3d4c4a-c52d-4921-b4f3-1d608f2e2ca3 [observed]
Occultation Date + Time : 2016-12-31 at 22:08:53 UT +/- 0.0 min [1]
Object Designation : (1076) Viola
Orbit Class : MBA
Star Designation : GDR3 3371452574632772352
Star Coordinates (ICRF) : RA = 06 32 56.7311, DE = +18 52 04.556 [2]
Star Magnitudes : G = 15.34 mag, RP = 14.75 mag, BP = 15.71 mag
Object Magnitude : V = 14.39 mag
Estimated Magnitude Drop : 0.4 mag
Estimated Max. Duration : 2.7 sec
Object Mean Diameter : 23 km (src: astorb)
Speed of the shadow : 8.5 km/s
Elongation to Moon & Sun : 147° (sunlit = 7%), Sun = 175°
Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.13 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#63
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0