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] : 49d54690-e2e5-4be4-85d7-38c75af31f25 [observed]
Occultation Date + Time : 2018-02-27 at 08:08:57 UT +/- 0.0 min [1]
Object Designation : (77) Frigga
Orbit Class : MBA
Star Designation : GDR3 4067154297924099200
Star Coordinates (ICRF) : RA = 17 46 25.1381, DE = -25 31 38.582 [2]
Star Magnitudes : G = 10.99 mag, RP = 10.6 mag, BP = 11.21 mag
Object Magnitude : V = 14.49 mag
Estimated Magnitude Drop : 3.5 mag
Estimated Max. Duration : 2.7 sec
Object Mean Diameter : 69 km (src: astorb)
Speed of the shadow : 25.2 km/s
Elongation to Moon & Sun : 145° (sunlit = 90%), Sun = 72°
Cross-track uncertainty : 0.7 mas = 1 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 0.88 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#106
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0