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):
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] : 8e7ef648-0196-4510-b3e7-bbf4aae07142 [observed]
Occultation Date + Time : 2021-01-19 at 23:39:53 UT +/- 0.01 min [1]
Object Designation : (176) Iduna
Orbit Class : MBA
Star Designation : GDR3 5737881869992590592
Star Coordinates (ICRF) : RA = 09 19 59.9099, DE = -13 33 37.776 [2]
Star Magnitudes : G = 13.32 mag, RP = 12.79 mag, BP = 13.69 mag
Object Magnitude : V = 13.66 mag
Estimated Magnitude Drop : 0.9 mag
Estimated Max. Duration : 10.1 sec
Object Mean Diameter : 121 km (src: astorb)
Speed of the shadow : 11.9 km/s
Elongation to Moon & Sun : 120° (sunlit = 42%), Sun = 142°
Cross-track uncertainty : 0.7 mas = 1 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.02 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
