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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1 observation found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 6a8166d1-0a59-45bb-8ea5-b0b2b8fa8c7e [observed]
Occultation Date + Time : 2022-12-05 at 22:01:49 UT +/- 0.02 min [1]
Object Designation : (1877) Marsden
Orbit Class : MBA
Star Designation : GDR3 0208140338575079680
Star Coordinates (ICRF) : RA = 05 27 56.0677, DE = +45 28 00.817 [2]
Star Magnitudes : G = 14.66 mag, RP = 13.88 mag, BP = 15.32 mag
Object Magnitude : V = 17.46 mag
Estimated Magnitude Drop : 2.9 mag
Estimated Max. Duration : 2.9 sec
Object Mean Diameter : 50 km (src: astorb)
Speed of the shadow : 17.1 km/s
Elongation to Moon & Sun : 41° (sunlit = 95%), Sun = 156°
Cross-track uncertainty : 0.7 mas = 1 km = 0.04 path-width (1-sig)
RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#56
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0