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] : 3a6cfcdc-bc50-493d-9583-39879d771fba [observed]
Occultation Date + Time : 2021-06-19 at 00:25:28 UT +/- 0.03 min [1]
Object Designation : (105) Artemis
Orbit Class : MBA
Star Designation : GDR3 4526143330892233216
Star Coordinates (ICRF) : RA = 18 10 22.1703, DE = +17 21 32.053 [2]
Star Magnitudes : G = 12.43 mag, RP = 11.96 mag, BP = 12.73 mag
Object Magnitude : V = 11.51 mag
Estimated Magnitude Drop : 0.4 mag
Estimated Max. Duration : 17.8 sec
Object Mean Diameter : 119 km (src: astorb)
Speed of the shadow : 6.7 km/s
Elongation to Moon & Sun : 83° (sunlit = 60%), Sun = 139°
Cross-track uncertainty : 2.0 mas = 1 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.11 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#138
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0