UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More
1 observation found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 6ae811a2-f8ae-4eb8-9a0e-81942e86c30d [observed]
Occultation Date + Time : 2023-08-31 at 20:25:45 UT +/- 0.05 min [1]
Object Designation : (11047) 1990 QL1
Orbit Class : MBA
Star Designation : GDR3 6876934272366885504
Star Coordinates (ICRF) : RA = 20 24 37.7045, DE = -12 43 00.822 [2]
Star Magnitudes : G = 13.75 mag, RP = 13.27 mag, BP = 14.05 mag
Object Magnitude : V = 17.94 mag
Estimated Magnitude Drop : 4.2 mag
Estimated Max. Duration : 0.8 sec
Object Mean Diameter : 7.2 km (src: astorb)
Speed of the shadow : 9.4 km/s
Elongation to Moon & Sun : 45° (sunlit = 99%), Sun = 147°
Cross-track uncertainty : 2.0 mas = 2 km = 0.41 path-width (1-sig)
RUWE and duplicate source : 2.52 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#47
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
