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] : 16b5a2cc-38ea-45f1-aabc-ff40af8970f1 [observed]
Occultation Date + Time : 2019-07-23 at 22:53:58 UT +/- 0.01 min [1]
Object Designation : (678) Fredegundis
Orbit Class : MBA
Star Designation : GDR3 2592860177363861376
Star Coordinates (ICRF) : RA = 01 36 29.2272, DE = +17 29 54.785 [2]
Star Magnitudes : G = 11.44 mag, RP = 10.93 mag, BP = 11.78 mag
Object Magnitude : V = 13.6 mag
Estimated Magnitude Drop : 2.3 mag
Estimated Max. Duration : 2.1 sec
Object Mean Diameter : 42 km (src: astorb)
Speed of the shadow : 19.8 km/s
Elongation to Moon & Sun : 16° (sunlit = 61%), Sun = 92°
Cross-track uncertainty : 2.3 mas = 3 km = 0.07 path-width (1-sig)
RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#123
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0