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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4 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : b6e58078-fbe3-441d-b303-e1c27d7a9796 [observed]
Occultation Date + Time : 2023-08-21 at 20:49:21 UT +/- 0.2 min [1]
Object Designation : (821) Fanny
Orbit Class : MBA
Star Designation : GDR3 4185441339302061440
Star Coordinates (ICRF) : RA = 19 15 07.9156, DE = -13 51 04.676 [2]
Star Magnitudes : G = 13.58 mag, RP = 12.77 mag, BP = 14.3 mag
Object Magnitude : V = 15.62 mag
Estimated Magnitude Drop : 2.2 mag
Estimated Max. Duration : 4.6 sec
Object Mean Diameter : 14.2 km (src: astorb)
Speed of the shadow : 3.1 km/s
Elongation to Moon & Sun : 80° (sunlit = 25%), Sun = 139°
Cross-track uncertainty : 3.0 mas = 3 km = 0.24 path-width (1-sig)
RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#63
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0