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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3 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 3ace4b41-8034-4331-b8f7-c7821d6dae67 [observed]
Occultation Date + Time : 2011-05-24 at 21:27:06 UT +/- 0.04 min [1]
Object Designation : (194) Prokne
Orbit Class : MBA
Star Designation : GDR3 4285087191910395520
Star Coordinates (ICRF) : RA = 18 34 27.7411, DE = +06 27 25.561 [2]
Star Magnitudes : G = 10.96 mag, RP = 9.74 mag, BP = 12.59 mag
Object Magnitude : V = 11.29 mag
Estimated Magnitude Drop : 0.9 mag
Estimated Max. Duration : 30.9 sec
Object Mean Diameter : 168 km (src: astorb)
Speed of the shadow : 5.5 km/s
Elongation to Moon & Sun : 57° (sunlit = 49%), Sun = 134°
Cross-track uncertainty : 1.7 mas = 1 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 0.83 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#156
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0