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] : 20849bce-fcd1-4d21-bb0e-0bc3b1ad0380 [observed]
Occultation Date + Time : 2023-09-20 at 18:12:49 UT +/- 0.09 min [1]
Object Designation : (77823) 2001 QS184
Orbit Class : MBA
Star Designation : GDR3 4081138264667029504
Star Coordinates (ICRF) : RA = 19 10 03.8687, DE = -22 09 14.524 [2]
Star Magnitudes : G = 12.95 mag, RP = 12.23 mag, BP = 13.51 mag
Object Magnitude : V = 19.09 mag
Estimated Magnitude Drop : 6.1 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 6 km (src: astorb)
Speed of the shadow : 8.8 km/s
Elongation to Moon & Sun : 44° (sunlit = 29%), Sun = 109°
Cross-track uncertainty : 9.3 mas = 17 km = 2.75 path-width (1-sig)
RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#41
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0