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] : 20873407-daf4-441d-b53e-dd2c9aa14998 [observed]
Occultation Date + Time : 2014-12-26 at 05:41:56 UT +/- 0.0 min [1]
Object Designation : (142) Polana
Orbit Class : MBA
Star Designation : GDR3 6305136686315042816
Star Coordinates (ICRF) : RA = 14 58 37.2069, DE = -18 46 59.937 [2]
Star Magnitudes : G = 10.17 mag, RP = 9.77 mag, BP = 10.42 mag
Object Magnitude : V = 15.32 mag
Estimated Magnitude Drop : 5.2 mag
Estimated Max. Duration : 1.3 sec
Object Mean Diameter : 55 km (src: astorb)
Speed of the shadow : 41.5 km/s
Elongation to Moon & Sun : 103° (sunlit = 22%), Sun = 47°
Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.16 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#68
Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0