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] : 3650239f-794f-4f9b-a22c-b2d9ff5f2bee [observed]
Occultation Date + Time : 2011-12-30 at 00:29:27 UT +/- 0.01 min [1]
Object Designation : (409) Aspasia
Orbit Class : MBA
Star Designation : GDR3 3347148282420493824
Star Coordinates (ICRF) : RA = 05 50 34.0635, DE = +14 49 03.611 [2]
Star Magnitudes : G = 12.94 mag, RP = 12.42 mag, BP = 13.28 mag
Object Magnitude : V = 11.45 mag
Estimated Magnitude Drop : 0.3 mag
Estimated Max. Duration : 12.5 sec
Object Mean Diameter : 162 km (src: astorb)
Speed of the shadow : 12.9 km/s
Elongation to Moon & Sun : 105° (sunlit = 29%), Sun = 167°
Cross-track uncertainty : 1.3 mas = 1 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 0.88 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#124
Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0