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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2 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 0ac10d74-1300-4660-aee8-c0db5a6bb4e2 [observed]
Occultation Date + Time : 2018-07-04 at 22:42:34 UT +/- 0.03 min [1]
Object Designation : (137) Meliboea
Orbit Class : MBA
Star Designation : GDR3 4263627675564185088
Star Coordinates (ICRF) : RA = 19 21 18.6024, DE = +00 17 50.949 [2]
Star Magnitudes : G = 12.87 mag, RP = 11.41 mag, BP = 15.82 mag
Object Magnitude : V = 11.93 mag
Estimated Magnitude Drop : 0.4 mag
Estimated Max. Duration : 17.3 sec
Object Mean Diameter : 145 km (src: astorb)
Speed of the shadow : 8.4 km/s
Elongation to Moon & Sun : 68° (sunlit = 64%), Sun = 156°
Cross-track uncertainty : 2.3 mas = 2 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.15 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#130
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0