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):
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] : 43803f1d-6f00-40aa-86fa-f44829ab1533 [observed]
Occultation Date + Time : 2021-11-06 at 19:50:54 UT +/- 0.01 min [1]
Object Designation : (1113) Katja
Orbit Class : MBA
Star Designation : GDR3 6861450228071175936
Star Coordinates (ICRF) : RA = 20 38 47.3173, DE = -18 22 26.812 [2]
Star Magnitudes : G = 13.63 mag, RP = 13.12 mag, BP = 13.98 mag
Object Magnitude : V = 15.36 mag
Estimated Magnitude Drop : 1.9 mag
Estimated Max. Duration : 2.1 sec
Object Mean Diameter : 39 km (src: astorb)
Speed of the shadow : 18.6 km/s
Elongation to Moon & Sun : 55° (sunlit = 5%), Sun = 83°
Cross-track uncertainty : 2.7 mas = 6 km = 0.17 path-width (1-sig)
RUWE and duplicate source : 1.07 mas, dup.src = 1 (0:false, 1:true)
Ephemeris Reference : JPL#57
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
