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] : 6a647a22-7c46-4fe3-a559-1e2fe22a1424 [observed]
Occultation Date + Time : 2020-09-09 at 22:04:01 UT +/- 0.32 min [1]
Object Designation : (978) Aidamina
Orbit Class : MBA
Star Designation : GDR3 1802731540894725888
Star Coordinates (ICRF) : RA = 20 11 35.0848, DE = +11 47 43.073 [2]
Star Magnitudes : G = 13.98 mag, RP = 13.32 mag, BP = 14.48 mag
Object Magnitude : V = 13.79 mag
Estimated Magnitude Drop : 0.7 mag
Estimated Max. Duration : 8.4 sec
Object Mean Diameter : 79 km (src: astorb)
Speed of the shadow : 9.4 km/s
Elongation to Moon & Sun : 119° (sunlit = 55%), Sun = 132°
Cross-track uncertainty : 4.0 mas = 5 km = 0.06 path-width (1-sig)
RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#66
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0