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] : f86c24c1-d993-4b20-92c0-9b312bb734ba [observed]
Occultation Date + Time : 2021-08-14 at 22:29:41 UT +/- 0.03 min [1]
Object Designation : (53325) 1999 JN21
Orbit Class : MBA
Star Designation : GDR3 2688653929638185088
Star Coordinates (ICRF) : RA = 21 11 04.2894, DE = -02 15 46.791 [2]
Star Magnitudes : G = 13.74 mag, RP = 13.32 mag, BP = 14.01 mag
Object Magnitude : V = 17.73 mag
Estimated Magnitude Drop : 4.0 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 5 km (src: astorb)
Speed of the shadow : 10.1 km/s
Elongation to Moon & Sun : 96° (sunlit = 42%), Sun = 166°
Cross-track uncertainty : 4.7 mas = 5 km = 1.08 path-width (1-sig)
RUWE and duplicate source : 0.97 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