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] : e3a07062-491d-4ce9-96e4-a3d9791431e4 [observed]
Occultation Date + Time : 2018-11-18 at 05:33:35 UT +/- 0.0 min [1]
Object Designation : (856) Backlunda
Orbit Class : MBA
Star Designation : GDR3 3662722413240136576
Star Coordinates (ICRF) : RA = 13 39 02.6148, DE = -00 09 39.563 [2]
Star Magnitudes : G = 10.26 mag, RP = 9.44 mag, BP = 10.97 mag
Object Magnitude : V = 15.75 mag
Estimated Magnitude Drop : 5.5 mag
Estimated Max. Duration : 1.1 sec
Object Mean Diameter : 52 km (src: astorb)
Speed of the shadow : 46.2 km/s
Elongation to Moon & Sun : 151° (sunlit = 74%), Sun = 34°
Cross-track uncertainty : 1.3 mas = 2 km = 0.05 path-width (1-sig)
RUWE and duplicate source : 1.1 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#99
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
