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] : 56dc91e3-2b8e-4a99-bdf2-56eea85dae00 [observed]
Occultation Date + Time : 2022-08-31 at 21:55:21 UT +/- 0.02 min [1]
Object Designation : (3406) Omsk
Orbit Class : MBA
Star Designation : GDR3 2704074270979977728
Star Coordinates (ICRF) : RA = 22 31 40.2390, DE = +03 35 43.766 [2]
Star Magnitudes : G = 13.68 mag, RP = 13.16 mag, BP = 14.05 mag
Object Magnitude : V = 16.3 mag
Estimated Magnitude Drop : 2.7 mag
Estimated Max. Duration : 1.1 sec
Object Mean Diameter : 14 km (src: astorb)
Speed of the shadow : 12.8 km/s
Elongation to Moon & Sun : 127° (sunlit = 21%), Sun = 168°
Cross-track uncertainty : 4.3 mas = 6 km = 0.45 path-width (1-sig)
RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#56
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0