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: sodis
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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Occultation UUID [and DB] : f498b620-c355-11ef-5276-9bead7754a9c [observed]
Occultation Date + Time : 2024-09-20 at 21:32:40 UT +/- 0.01 min [1]
Object Designation : (82) Alkmene
Orbit Class : MBA
Star Designation : GDR3 2447422487253806208
Star Coordinates (ICRF) : RA = 23 51 11.7079, DE = -03 05 42.242 [2]
Star Magnitudes : G = 13.19 mag, RP = 12.65 mag, BP = 13.56 mag
Object Magnitude : V = 12.52 mag
Estimated Magnitude Drop : 0.5 mag
Estimated Max. Duration : 4.2 sec
Object Mean Diameter : 61.0 km (src: astorb)
Speed of the shadow : 14.4 km/s
Elongation to Moon & Sun : 41° (sunlit = 89%), Sun = 177°
Cross-track uncertainty : 1.3 mas = 2 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#142
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
