NEODyS-2

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NEODyS ∴ Objects ∴ 1999HF1 ∴ Summary
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(137170) 1999HF1  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 0.819139 1.211e-09 au
e 0.462468 5.695e-08
i 25.662 5.597e-06 deg
Ω 155.889 1.7e-05 deg
ω 253.38 1.555e-05 deg
M 126.734 1.386e-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 -0.2477 au
Desc. node-Earth separation -0.44019 au
Earth MOID 0.17359 au
Orbital period 270.792 days
Date of orbit computation   Mar 18 13:38
Observational summary
Optical observations (Discarded) 3072 (14)
Radar observations (Discarded) 0 (0)
Arc length 6541 days
Unobserved 7 days

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Ephemeris at epoch 57836 MJD
Right Ascension 284.775 deg
Declination 10.6088 deg
V Magnitude 16.65 mag
Solar Elongation 78.22 deg
Galactic Latitude 3.14 deg
Rate 0.726 deg/day
Direction 55.942 deg

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