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] : edcb3266-f109-4244-84d7-0c113f043231 [observed]
Occultation Date + Time : 2021-04-08 at 19:37:23 UT +/- 0.02 min [1]
Object Designation : (11205) 1999 FY28
Orbit Class : MBA
Star Designation : GDR3 0875575026556422400
Star Coordinates (ICRF) : RA = 07 57 50.7092, DE = +28 38 18.050 [2]
Star Magnitudes : G = 13.19 mag, RP = 12.55 mag, BP = 13.67 mag
Object Magnitude : V = 18.05 mag
Estimated Magnitude Drop : 4.9 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 10 km (src: astorb)
Speed of the shadow : 14.5 km/s
Elongation to Moon & Sun : 134° (sunlit = 10%), Sun = 97°
Cross-track uncertainty : 2.0 mas = 3 km = 0.38 path-width (1-sig)
RUWE and duplicate source : 1.17 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#52
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0