NEODyS-2

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NEODyS ∴ Objects ∴ 1999HF1 ∴ Summary
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(137170) 1999HF1  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 0.819139 9.899e-10 au
e 0.462513 5.04e-08
i 25.661 5.188e-06 deg
Ω 155.878 1.651e-05 deg
ω 253.393 1.5e-05 deg
M 204.401 1.309e-05 deg

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Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 0.4403 au
Aphelion 1.198 au
Asc. node-Earth separation -0.24937 au
Desc. node-Earth separation -0.44138 au
Earth MOID 0.17487 au
Orbital period 270.791 days
Date of orbit computation   Apr 22 15:34
Observational summary
Optical observations (Discarded) 3185 (20)
Radar observations (Discarded) 0 (0)
Arc length 7305 days
Unobserved 4 days

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Ephemeris at epoch 58597 MJD
Right Ascension 127.757 deg
Declination 59.8835 deg
V Magnitude 15.44 mag
Solar Elongation -82.43 deg
Galactic Latitude 35.62 deg
Rate 1.105 deg/day
Direction 101.535 deg

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