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] : c77f143e-48a5-4e56-9f43-d39f94f3e743 [observed]
Occultation Date + Time : 2020-02-25 at 23:06:11 UT +/- 10781.19 min [1]
Object Designation : (506) Marion
Orbit Class : MBA
Star Designation : GDR3 6771149227873514368
Star Coordinates (ICRF) : RA = 19 17 35.7345, DE = -22 22 17.732 [2]
Star Magnitudes : G = 16.49 mag, RP = 15.94 mag, BP = 16.86 mag
Object Magnitude : V = 15.6 mag
Estimated Magnitude Drop : 0.4 mag
Estimated Max. Duration : 3.0 sec
Object Mean Diameter : 106 km (src: astorb)
Speed of the shadow : 35.0 km/s
Elongation to Moon & Sun : 74° (sunlit = 5%), Sun = 49°
Cross-track uncertainty : 2000000.0 mas = 8521225 km = 80464.83 path-width (1-sig)
RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#?
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0