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] : 4a38aec2-16ab-4a08-bbfc-dfaf7b4279cd [observed]
Occultation Date + Time : 2012-10-21 at 07:49:43 UT +/- 0.08 min [1]
Object Designation : (194) Prokne
Orbit Class : MBA
Star Designation : GDR3 3122245648562594688
Star Coordinates (ICRF) : RA = 06 04 55.9884, DE = -00 19 40.072 [2]
Star Magnitudes : G = 12.06 mag, RP = 11.18 mag, BP = 12.85 mag
Object Magnitude : V = 12.61 mag
Estimated Magnitude Drop : 1.1 mag
Estimated Max. Duration : 21.5 sec
Object Mean Diameter : 168 km (src: astorb)
Speed of the shadow : 7.8 km/s
Elongation to Moon & Sun : 155° (sunlit = 41%), Sun = 115°
Cross-track uncertainty : 1.0 mas = 1 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.15 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