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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 5.412e-09 au
e 0.156067 2.778e-08
i 6.051 2.023e-06 deg
Ω 140.605 2.949e-05 deg
ω 217.101 3.094e-05 deg
M 224.481 8.344e-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  feb 22 01:50
Observational summary
Optical observations (Discarded) 7419 (42)
Radar observations (Discarded) 0 (0)
Arc length 42670.8 days
Unobserved 56 days

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Ephemeris at epoch 60397 MJD
Right Ascension 221.203 deg
Declination -7.56108 deg
V Magnitude 15.76 mag
Solar Elongation 145.51 deg
Galactic Latitude 45.76 deg
Rate 0.137 deg/day
Direction -55.759 deg

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