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] : 9a5ae2a2-032a-43b6-a095-c9eaf9557bfd [observed]
Occultation Date + Time : 2012-01-24 at 03:40:23 UT +/- 0.0 min [1]
Object Designation : (124) Alkeste
Orbit Class : MBA
Star Designation : GDR3 6306053434198334976
Star Coordinates (ICRF) : RA = 15 05 59.3264, DE = -16 31 48.434 [2]
Star Magnitudes : G = 12.01 mag, RP = 11.39 mag, BP = 12.46 mag
Object Magnitude : V = 13.14 mag
Estimated Magnitude Drop : 1.5 mag
Estimated Max. Duration : 2.9 sec
Object Mean Diameter : 76 km (src: astorb)
Speed of the shadow : 26.5 km/s
Elongation to Moon & Sun : 85° (sunlit = 1%), Sun = 75°
Cross-track uncertainty : 1.3 mas = 2 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#149
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
