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] : 8bb05caa-df4c-4ad5-87f4-10a6ef77b5c3 [observed]
Occultation Date + Time : 2023-08-20 at 01:27:42 UT +/- 0.03 min [1]
Object Designation : (30598) 2001 QA117
Orbit Class : MBA
Star Designation : GDR3 2644172877498904448
Star Coordinates (ICRF) : RA = 23 25 49.5174, DE = -00 08 40.761 [2]
Star Magnitudes : G = 12.99 mag, RP = 12.52 mag, BP = 13.29 mag
Object Magnitude : V = 17.05 mag
Estimated Magnitude Drop : 4.1 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 7 km (src: astorb)
Speed of the shadow : 9.5 km/s
Elongation to Moon & Sun : 165° (sunlit = 12%), Sun = 155°
Cross-track uncertainty : 11.7 mas = 12 km = 1.91 path-width (1-sig)
RUWE and duplicate source : 1.07 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#50
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0