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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1 observation found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 2e05487a-c070-453d-b447-1678f14933cd [observed]
Occultation Date + Time : 2022-01-11 at 20:49:42 UT +/- 0.15 min [1]
Object Designation : (68280) 2001 FR8
Orbit Class : MBA
Star Designation : GDR3 0228302113355096320
Star Coordinates (ICRF) : RA = 04 20 49.9747, DE = +41 31 52.764 [2]
Star Magnitudes : G = 12.57 mag, RP = 11.89 mag, BP = 13.08 mag
Object Magnitude : V = 16.66 mag
Estimated Magnitude Drop : 4.1 mag
Estimated Max. Duration : 2.0 sec
Object Mean Diameter : 8 km (src: astorb)
Speed of the shadow : 3.9 km/s
Elongation to Moon & Sun : 33° (sunlit = 70%), Sun = 135°
Cross-track uncertainty : 7.7 mas = 7 km = 1.02 path-width (1-sig)
RUWE and duplicate source : 0.9 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