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] : 754ba4ee-055b-49e3-abb3-ecc7d894a4b6 [observed]
Occultation Date + Time : 2013-04-14 at 20:01:05 UT +/- 0.0 min [1]
Object Designation : (925) Alphonsina
Orbit Class : MBA
Star Designation : GDR3 3379065043389438080
Star Coordinates (ICRF) : RA = 06 40 41.9532, DE = +22 07 43.696 [2]
Star Magnitudes : G = 11.9 mag, RP = 11.03 mag, BP = 12.69 mag
Object Magnitude : V = 13.66 mag
Estimated Magnitude Drop : 2.0 mag
Estimated Max. Duration : 2.2 sec
Object Mean Diameter : 54 km (src: astorb)
Speed of the shadow : 24.9 km/s
Elongation to Moon & Sun : 25° (sunlit = 18%), Sun = 74°
Cross-track uncertainty : 1.7 mas = 3 km = 0.06 path-width (1-sig)
RUWE and duplicate source : 0.85 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
