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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2 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Q: model quality flag (0-5, 5=highest) | P: rotation period | λ,β: ecl. lon. and lat. of spin axis (J2000) | JD: initial time (epoch) | φ0: initial rotation angle for JD0
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Map with groundtrack and observer stations
Event Details
Occultation UUID [and DB] : 4d293bb4-3d10-4faa-8244-5b047872b0d6 [observed]
Occultation Date + Time : 2021-05-25 at 21:47:00 UT +/- 0.02 min [1]
Object Designation : (2731) Cucula
Orbit Class : MBA
Star Designation : GDR3 3885090702858255488
Star Coordinates (ICRF) : RA = 10 49 11.2113, DE = +14 20 51.904 [2]
Star Magnitudes : G = 14.36 mag, RP = 13.88 mag, BP = 14.67 mag
Object Magnitude : V = 16.93 mag
Estimated Magnitude Drop : 2.7 mag
Estimated Max. Duration : 4.4 sec
Object Mean Diameter : 51 km (src: astorb)
Speed of the shadow : 11.7 km/s
Elongation to Moon & Sun : 79° (sunlit = 100%), Sun = 93°
Cross-track uncertainty : 1.0 mas = 2 km = 0.04 path-width (1-sig)
RUWE and duplicate source : 0.95 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#64
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0