NEODyS-2

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NEODyS ∴ Objects ∴ 1999HF1 ∴ Summary
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(137170) 1999HF1  ▹ 
SUMMARY
Keplerian elements
(Epoch 58800.0 MJD)
Value 1-σ variation Units
a 0.819151 6.987e-10 au
e 0.462477 4.224e-08
i 25.66 4.648e-06 deg
Ω 155.869 1.56e-05 deg
ω 253.406 1.413e-05 deg
M 16.173 1.177e-05 deg

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Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.4403 au
Aphelion distance 1.198 au
Asc. node-Earth separation -0.24676 au
Desc. node-Earth separation -0.44041 au
Earth MOID 0.17269 au
Orbital period 270.797 days
Date of orbit computation   Sep 20 14:50
Observational summary
Optical observations (Discarded) 3616 (19)
Radar observations (Discarded) 0 (0)
Arc length 7456 days
Unobserved 4 days

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Ephemeris
(Epoch 58748 MJD)
Right Ascension 225.093 deg
Declination -4.14431 deg
V Magnitude 16.26 mag
Solar Elongation -46.73 deg
Galactic Latitude 45.88 deg
Rate 0.72 deg/day
Direction 151.237 deg

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