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] : 64c7d32b-cb8a-4943-9507-ecc684b02460 [observed]
Occultation Date + Time : 2022-08-25 at 22:32:30 UT +/- 0.12 min [1]
Object Designation : (339) Dorothea
Orbit Class : MBA
Star Designation : GDR3 4198942448751627136
Star Coordinates (ICRF) : RA = 19 03 40.2953, DE = -11 30 36.128 [2]
Star Magnitudes : G = 13.52 mag, RP = 12.63 mag, BP = 14.35 mag
Object Magnitude : V = 13.99 mag
Estimated Magnitude Drop : 1.0 mag
Estimated Max. Duration : 6.8 sec
Object Mean Diameter : 38 km (src: astorb)
Speed of the shadow : 5.7 km/s
Elongation to Moon & Sun : 145° (sunlit = 2%), Sun = 132°
Cross-track uncertainty : 0.7 mas = 1 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#63
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0