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] : 9faf82c9-f8fd-41f6-a5bc-74796afd935a [observed]
Occultation Date + Time : 2021-10-30 at 19:17:56 UT +/- 0.67 min [1]
Object Designation : (19565) 1999 KF4
Orbit Class : MBA
Star Designation : GDR3 2865983508565084032
Star Coordinates (ICRF) : RA = 23 37 10.3072, DE = +27 26 48.780 [2]
Star Magnitudes : G = 13.82 mag, RP = 13.1 mag, BP = 14.41 mag
Object Magnitude : V = 16.76 mag
Estimated Magnitude Drop : 3.0 mag
Estimated Max. Duration : 0.8 sec
Object Mean Diameter : 10 km (src: astorb)
Speed of the shadow : 12.7 km/s
Elongation to Moon & Sun : 132° (sunlit = 31%), Sun = 140°
Cross-track uncertainty : 3.7 mas = 4 km = 0.47 path-width (1-sig)
RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#39
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0