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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3 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 4c3d70ef-d5c0-4051-8f07-c05dd199b47f [observed]
Occultation Date + Time : 2018-09-20 at 04:25:10 UT +/- 0.02 min [1]
Object Designation : (1428) Mombasa
Orbit Class : MBA
Star Designation : GDR3 3278657121847540608
Star Coordinates (ICRF) : RA = 04 31 09.8486, DE = +00 22 15.991 [2]
Star Magnitudes : G = 11.48 mag, RP = 10.79 mag, BP = 12.01 mag
Object Magnitude : V = 14.79 mag
Estimated Magnitude Drop : 3.4 mag
Estimated Max. Duration : 6.7 sec
Object Mean Diameter : 57 km (src: astorb)
Speed of the shadow : 8.5 km/s
Elongation to Moon & Sun : 121° (sunlit = 79%), Sun = 110°
Cross-track uncertainty : 2.0 mas = 2 km = 0.05 path-width (1-sig)
RUWE and duplicate source : 1.01 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