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] : 2e728ac4-c6f1-4910-9e8b-8d6ec847e069 [observed]
Occultation Date + Time : 2018-08-09 at 20:22:08 UT +/- 0.02 min [1]
Object Designation : (581) Tauntonia
Orbit Class : MBA
Star Designation : GDR3 4066074676187845760
Star Coordinates (ICRF) : RA = 18 05 27.7665, DE = -24 12 21.590 [2]
Star Magnitudes : G = 14.45 mag, RP = 13.35 mag, BP = 15.72 mag
Object Magnitude : V = 15.41 mag
Estimated Magnitude Drop : 1.3 mag
Estimated Max. Duration : 7.9 sec
Object Mean Diameter : 64 km (src: astorb)
Speed of the shadow : 8.1 km/s
Elongation to Moon & Sun : 156° (sunlit = 4%), Sun = 134°
Cross-track uncertainty : 1.3 mas = 2 km = 0.04 path-width (1-sig)
RUWE and duplicate source : 0.97 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