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] : 4c669f17-6e21-4991-b223-d4500f554bbb [observed]
Occultation Date + Time : 2022-07-08 at 23:13:27 UT +/- 0.04 min [1]
Object Designation : (17318) 2091 T-1
Orbit Class : MBA
Star Designation : GDR3 4358758216162768000
Star Coordinates (ICRF) : RA = 16 22 38.8888, DE = -02 04 47.664 [2]
Star Magnitudes : G = 6.22 mag, RP = 6.12 mag, BP = 6.25 mag
Object Magnitude : V = 18.2 mag
Estimated Magnitude Drop : 12.0 mag
Estimated Max. Duration : 0.9 sec
Object Mean Diameter : 6 km (src: astorb)
Speed of the shadow : 6.0 km/s
Elongation to Moon & Sun : 30° (sunlit = 70%), Sun = 134°
Cross-track uncertainty : 1.1 mas = 1 km = 0.26 path-width (1-sig)
RUWE and duplicate source : 1.8 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#48
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0