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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5 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : da361ca2-f822-4821-b545-68cdd381e12c [observed]
Occultation Date + Time : 2020-09-13 at 22:54:04 UT +/- 0.02 min [1]
Object Designation : (10226) Seishika
Orbit Class : MBA
Star Designation : GDR3 2594048272692212736
Star Coordinates (ICRF) : RA = 01 30 39.8021, DE = +19 04 17.260 [2]
Star Magnitudes : G = 11.25 mag, RP = 10.81 mag, BP = 11.53 mag
Object Magnitude : V = 17.22 mag
Estimated Magnitude Drop : 6.0 mag
Estimated Max. Duration : 1.1 sec
Object Mean Diameter : 8 km (src: astorb)
Speed of the shadow : 7.2 km/s
Elongation to Moon & Sun : 96° (sunlit = 16%), Sun = 143°
Cross-track uncertainty : 2.3 mas = 2 km = 0.36 path-width (1-sig)
RUWE and duplicate source : 1.37 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#50
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0