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] : eaeb7523-db06-4a83-af9a-cf74dc9dbfe9 [observed]
Occultation Date + Time : 2021-07-14 at 02:06:22 UT +/- 0.02 min [1]
Object Designation : (4830) Thomascooley
Orbit Class : MBA
Star Designation : GDR3 4082976098344527488
Star Coordinates (ICRF) : RA = 19 19 44.9155, DE = -20 16 19.986 [2]
Star Magnitudes : G = 16.79 mag, RP = 16.21 mag, BP = 17.19 mag
Object Magnitude : V = 16.16 mag
Estimated Magnitude Drop : 0.5 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 7 km (src: astorb)
Speed of the shadow : 10.2 km/s
Elongation to Moon & Sun : 129° (sunlit = 17%), Sun = 176°
Cross-track uncertainty : 1.1 mas = 1 km = 0.15 path-width (1-sig)
RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#55
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0