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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2 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 441cbafa-2b89-4fca-9d23-7c513d33fbf2 [observed]
Occultation Date + Time : 2021-10-18 at 17:21:53 UT +/- 0.03 min [1]
Object Designation : (16086) 1999 TF90
Orbit Class : MBA
Star Designation : GDR3 6860073914391520256
Star Coordinates (ICRF) : RA = 20 32 03.5343, DE = -18 45 08.229 [2]
Star Magnitudes : G = 13.82 mag, RP = 13.24 mag, BP = 14.24 mag
Object Magnitude : V = 19.7 mag
Estimated Magnitude Drop : 5.9 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 : 58° (sunlit = 96%), Sun = 100°
Cross-track uncertainty : 2.7 mas = 6 km = 0.93 path-width (1-sig)
RUWE and duplicate source : 1.08 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#46
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0