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: sodis
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 4a167240-c35b-11ef-5276-1d22b26ee9d0 [observed]
Occultation Date + Time : 2024-12-20 at 21:09:30 UT +/- 0.0 min [1]
Object Designation : (109200) 2001 QA78
Orbit Class : MBA
Star Designation : GDR3 3322861925987967232
Star Coordinates (ICRF) : RA = 05 52 59.5585, DE = +07 11 00.426 [2]
Star Magnitudes : G = 11.52 mag, RP = 10.73 mag, BP = 12.19 mag
Object Magnitude : V = 17.98 mag
Estimated Magnitude Drop : 6.5 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 4 km (src: astorb)
Speed of the shadow : 10.3 km/s
Elongation to Moon & Sun : 70° (sunlit = 69%), Sun = 164°
Cross-track uncertainty : 0.7 mas = 0 km = 0.20 path-width (1-sig)
RUWE and duplicate source : 1.89 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#43
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0