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):
Q: model quality flag (0-5, 5=highest) | P: rotation period | λ,β: ecl. lon. and lat. of spin axis (J2000) | JD: initial time (epoch) | φ0: initial rotation angle for JD0
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Map with groundtrack and observer stations
Event Details
Occultation UUID [and DB] : 8fafaab2-8337-44ec-978a-eb73b7c3f683 [observed]
Occultation Date + Time : 2020-02-28 at 19:49:06 UT +/- 0.01 min [1]
Object Designation : (176) Iduna
Orbit Class : MBA
Star Designation : GDR3 3267934104633137152
Star Coordinates (ICRF) : RA = 03 28 56.5284, DE = +01 24 36.258 [2]
Star Magnitudes : G = 12.91 mag, RP = 12.3 mag, BP = 13.35 mag
Object Magnitude : V = 14.0 mag
Estimated Magnitude Drop : 1.4 mag
Estimated Max. Duration : 4.5 sec
Object Mean Diameter : 121 km (src: astorb)
Speed of the shadow : 27.0 km/s
Elongation to Moon & Sun : 19° (sunlit = 22%), Sun = 71°
Cross-track uncertainty : 1.0 mas = 2 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.4 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#74
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
