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AstDyS ∴ Objects ∴ Alfaterna ∴ Summary
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(1191) Alfaterna  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.89271 1.312e-08 au
e 0.046854 4.256e-08
i 18.491 4.486e-06 deg
Ω 134.71 1.489e-05 deg
ω 53.621 4.589e-05 deg
M 257.925 4.489e-05 deg

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Other useful info
Absolute Magnitude (H)    10.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7572 au
Aphelion 3.0282 au
Asc. node-Earth separation 1.82127 au
Desc. node-Earth separation 1.95425 au
Earth MOID 1.79373 au
Orbital period 1797.04 days
Date of orbit computation  Oct 31 04:55
Observational summary
Optical observations (Discarded) 1577 (22)
Radar observations (Discarded) 0 (0)
Arc length 32033.6 days
Unobserved 83 days

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Ephemeris at epoch 58499 MJD
Right Ascension 95.1887 deg
Declination 8.23148 deg
V Magnitude 15.11 mag
Solar Elongation -155.14 deg
Galactic Latitude -3 deg
Rate 0.228 deg/day
Direction -57.805 deg

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