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] : 55b422f5-f02a-4b4d-b9b5-524ccdc328e6 [observed]
Occultation Date + Time : 2020-05-19 at 22:14:20 UT +/- 0.0 min [1]
Object Designation : (476) Hedwig
Orbit Class : MBA
Star Designation : GDR3 0597399787318840576
Star Coordinates (ICRF) : RA = 08 54 42.1294, DE = +09 11 52.312 [2]
Star Magnitudes : G = 12.39 mag, RP = 11.92 mag, BP = 12.7 mag
Object Magnitude : V = 14.25 mag
Estimated Magnitude Drop : 2.0 mag
Estimated Max. Duration : 5.0 sec
Object Mean Diameter : 117 km (src: astorb)
Speed of the shadow : 23.3 km/s
Elongation to Moon & Sun : 105° (sunlit = 7%), Sun = 74°
Cross-track uncertainty : 1.7 mas = 3 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 2.66 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#128
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0