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] : 23848c91-993e-4254-a799-3758deec343e [observed]
Occultation Date + Time : 2014-12-11 at 21:51:15 UT +/- 0.0 min [1]
Object Designation : (465) Alekto
Orbit Class : MBA
Star Designation : GDR3 0868076460334625408
Star Coordinates (ICRF) : RA = 07 35 45.3501, DE = +23 35 25.768 [2]
Star Magnitudes : G = 12.01 mag, RP = 11.3 mag, BP = 12.56 mag
Object Magnitude : V = 15.07 mag
Estimated Magnitude Drop : 3.1 mag
Estimated Max. Duration : 7.3 sec
Object Mean Diameter : 73 km (src: astorb)
Speed of the shadow : 10.0 km/s
Elongation to Moon & Sun : 30° (sunlit = 74%), Sun = 148°
Cross-track uncertainty : 0.7 mas = 1 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.08 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#72
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0