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] : 2bab538f-02f4-45fa-9e74-9476e0861623 [observed]
Occultation Date + Time : 2022-01-31 at 19:17:33 UT +/- 0.03 min [1]
Object Designation : (41203) 1999 WK7
Orbit Class : MBA
Star Designation : GDR3 0059712556654889216
Star Coordinates (ICRF) : RA = 03 06 34.5483, DE = +18 38 05.996 [2]
Star Magnitudes : G = 10.41 mag, RP = 9.64 mag, BP = 11.06 mag
Object Magnitude : V = 19.81 mag
Estimated Magnitude Drop : 9.4 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 7 km (src: astorb)
Speed of the shadow : 9.5 km/s
Elongation to Moon & Sun : 104° (sunlit = 0%), Sun = 98°
Cross-track uncertainty : 1.3 mas = 3 km = 0.47 path-width (1-sig)
RUWE and duplicate source : 1.06 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#43
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0