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] : 521ba96e-4fc2-4cd7-b366-90c96c8f83d7 [observed]
Occultation Date + Time : 2017-05-26 at 23:31:05 UT +/- 0.0 min [1]
Object Designation : (983) Gunila
Orbit Class : MBA
Star Designation : GDR3 4118255887547859968
Star Coordinates (ICRF) : RA = 17 40 41.1518, DE = -20 12 10.184 [2]
Star Magnitudes : G = 13.95 mag, RP = 13.03 mag, BP = 14.76 mag
Object Magnitude : V = 13.8 mag
Estimated Magnitude Drop : 0.7 mag
Estimated Max. Duration : 6.6 sec
Object Mean Diameter : 74 km (src: astorb)
Speed of the shadow : 11.3 km/s
Elongation to Moon & Sun : 177° (sunlit = 2%), Sun = 160°
Cross-track uncertainty : 0.7 mas = 0 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.08 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#65
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0