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AstDyS ∴ Objects ∴ Hedera ∴ Summary
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(1251) Hedera  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.71831 5.388e-09 au
e 0.156067 2.769e-08
i 6.051 2.017e-06 deg
Ω 140.605 2.948e-05 deg
ω 217.101 3.091e-05 deg
M 224.481 8.321e-06 deg

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Other useful info
Absolute Magnitude (H)    11.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2941 au
Aphelion 3.1426 au
Asc. node-Earth separation 2.04274 au
Desc. node-Earth separation 1.34579 au
Earth MOID 1.29295 au
Orbital period 1637 days
Date of orbit computation  apr 23 19:46
Observational summary
Optical observations (Discarded) 7630 (42)
Radar observations (Discarded) 0 (0)
Arc length 42720.8 days
Unobserved 34 days

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Ephemeris at epoch 60426 MJD
Right Ascension 216.205 deg
Declination -5.12078 deg
V Magnitude 15.21 mag
Solar Elongation -171.25 deg
Galactic Latitude 50.64 deg
Rate 0.222 deg/day
Direction -68.638 deg

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