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] : adfe2667-4cfd-4926-b909-3154d4768f61 [observed]
Occultation Date + Time : 2021-10-15 at 16:18:28 UT +/- 0.0 min [1]
Object Designation : (78) Diana
Orbit Class : MBA
Star Designation : GDR3 4071726853147543040
Star Coordinates (ICRF) : RA = 18 47 06.8398, DE = -27 56 18.483 [2]
Star Magnitudes : G = 13.59 mag, RP = 12.81 mag, BP = 14.25 mag
Object Magnitude : V = 14.39 mag
Estimated Magnitude Drop : 1.2 mag
Estimated Max. Duration : 5.7 sec
Object Mean Diameter : 121 km (src: astorb)
Speed of the shadow : 21.3 km/s
Elongation to Moon & Sun : 44° (sunlit = 77%), Sun = 78°
Cross-track uncertainty : 1.0 mas = 2 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#117
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0