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] : 330c3c2f-4ad5-49c3-a07b-f37db3c09875 [observed]
Occultation Date + Time : 2022-10-19 at 20:59:34 UT +/- 0.07 min [1]
Object Designation : (285321) 1999 CT57
Orbit Class : MBA
Star Designation : GDR3 2621237472964668928
Star Coordinates (ICRF) : RA = 22 32 49.6067, DE = -08 53 12.164 [2]
Star Magnitudes : G = 12.76 mag, RP = 12.29 mag, BP = 13.07 mag
Object Magnitude : V = 21.97 mag
Estimated Magnitude Drop : 9.2 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 3 km (src: astorb)
Speed of the shadow : 7.5 km/s
Elongation to Moon & Sun : 163° (sunlit = 30%), Sun = 130°
Cross-track uncertainty : 10.3 mas = 24 km = 9.75 path-width (1-sig)
RUWE and duplicate source : 3.97 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#29
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0