UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More
1 observation found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 31af9823-7afa-48dd-bf06-0ef4c88db9e9 [observed]
Occultation Date + Time : 2020-07-16 at 00:54:49 UT +/- 0.02 min [1]
Object Designation : (43084) 1999 WQ1
Orbit Class : MBA
Star Designation : GDR3 6768511770053103872
Star Coordinates (ICRF) : RA = 19 42 59.7440, DE = -23 36 54.957 [2]
Star Magnitudes : G = 11.99 mag, RP = 11.24 mag, BP = 12.62 mag
Object Magnitude : V = 17.56 mag
Estimated Magnitude Drop : 5.6 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 7 km (src: astorb)
Speed of the shadow : 15.4 km/s
Elongation to Moon & Sun : 124° (sunlit = 22%), Sun = 178°
Cross-track uncertainty : 1.7 mas = 2 km = 0.37 path-width (1-sig)
RUWE and duplicate source : 1.07 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#47
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0