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):
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] : c8ba3aca-c560-4cf6-a409-97be1abbcb4f [observed]
Occultation Date + Time : 2012-09-04 at 23:00:20 UT +/- 0.03 min [1]
Object Designation : (2889) Brno
Orbit Class : MBA
Star Designation : GDR3 2711628568697952768
Star Coordinates (ICRF) : RA = 22 54 05.4725, DE = +06 28 04.216 [2]
Star Magnitudes : G = 9.15 mag, RP = 8.42 mag, BP = 9.75 mag
Object Magnitude : V = 15.36 mag
Estimated Magnitude Drop : 6.2 mag
Estimated Max. Duration : 1.5 sec
Object Mean Diameter : 16 km (src: astorb)
Speed of the shadow : 10.5 km/s
Elongation to Moon & Sun : 47° (sunlit = 82%), Sun = 167°
Cross-track uncertainty : 3.7 mas = 4 km = 0.28 path-width (1-sig)
RUWE and duplicate source : 1.21 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#57
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
