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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5 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] : 34c6dbb5-3153-4af7-8edd-a5f749072761 [observed]
Occultation Date + Time : 2006-07-06 at 22:57:10 UT +/- 0.01 min [1]
Object Designation : (925) Alphonsina
Orbit Class : MBA
Star Designation : GDR3 6861302000158948352
Star Coordinates (ICRF) : RA = 20 38 27.7472, DE = -18 38 30.651 [2]
Star Magnitudes : G = 8.77 mag, RP = 8.44 mag, BP = 8.96 mag
Object Magnitude : V = 12.86 mag
Estimated Magnitude Drop : 4.1 mag
Estimated Max. Duration : 4.2 sec
Object Mean Diameter : 54 km (src: astorb)
Speed of the shadow : 13.1 km/s
Elongation to Moon & Sun : 75° (sunlit = 80%), Sun = 158°
Cross-track uncertainty : 5.0 mas = 7 km = 0.13 path-width (1-sig)
RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#118
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
