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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4 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 67d296e7-3d77-49c7-81d2-36753209fc0a [observed]
Occultation Date + Time : 2020-01-02 at 19:44:55 UT +/- 0.02 min [1]
Object Designation : (2729) Urumqi
Orbit Class : MBA
Star Designation : GDR3 3429054786224375680
Star Coordinates (ICRF) : RA = 05 48 23.7431, DE = +25 36 44.992 [2]
Star Magnitudes : G = 11.33 mag, RP = 11.21 mag, BP = 11.39 mag
Object Magnitude : V = 15.93 mag
Estimated Magnitude Drop : 4.6 mag
Estimated Max. Duration : 1.5 sec
Object Mean Diameter : 19 km (src: astorb)
Speed of the shadow : 12.4 km/s
Elongation to Moon & Sun : 80° (sunlit = 47%), Sun = 165°
Cross-track uncertainty : 1.0 mas = 1 km = 0.08 path-width (1-sig)
RUWE and duplicate source : 1.24 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#60
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0