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] : c1be7b87-d61d-4c1e-a980-85a0ccec1ff6 [observed]
Occultation Date + Time : 2022-11-20 at 21:24:42 UT +/- 0.02 min [1]
Object Designation : (1031) Arctica
Orbit Class : MBA
Star Designation : GDR3 3290361977176928128
Star Coordinates (ICRF) : RA = 05 04 36.3163, DE = +09 03 47.348 [2]
Star Magnitudes : G = 14.94 mag, RP = 14.41 mag, BP = 15.29 mag
Object Magnitude : V = 14.11 mag
Estimated Magnitude Drop : 0.4 mag
Estimated Max. Duration : 5.5 sec
Object Mean Diameter : 76 km (src: astorb)
Speed of the shadow : 13.8 km/s
Elongation to Moon & Sun : 122° (sunlit = 12%), Sun = 158°
Cross-track uncertainty : 1.7 mas = 2 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#68
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0