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] : a7a0e7b0-ddb3-11f0-547e-d8e8eaff4a43 [observed]
Occultation Date + Time : 2023-05-27 at 23:38:35 UT +/- 1.7 min [1]
Object Designation : (5145) Pholus
Orbit Class : CEN
Star Designation : GDR3 4104866649008641792
Star Coordinates (ICRF) : RA = 18 31 58.8628, DE = -12 57 03.665 [2]
Star Magnitudes : G = 12.52 mag, RP = 11.59 mag, BP = 13.39 mag
Object Magnitude : V = 21.9 mag
Estimated Magnitude Drop : 9.4 mag
Estimated Max. Duration : 6.2 sec
Object Mean Diameter : 132.3 km (src: astorb)
Speed of the shadow : 21.5 km/s
Elongation to Moon & Sun : 116° (sunlit = 53%), Sun = 147°
Cross-track uncertainty : 45.0 mas = 941 km = 7.11 path-width (1-sig)
RUWE and duplicate source : 1.19 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#24
Note : FP:true
Object is a "TNOs are cool" target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0