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 7.596e-10 au
e 0.462477 5.554e-08
i 25.66 6.128e-06 deg
Ω 155.869 2.082e-05 deg
ω 253.406 1.843e-05 deg
M 16.173 1.476e-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   Oct 14 15:31
Observational summary
Optical observations (Discarded) 3612 (9)
Radar observations (Discarded) 0 (0)
Arc length 7456 days
Unobserved 32 days

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Ephemeris
(Epoch 58776 MJD)
Right Ascension 219.69 deg
Declination -25.438 deg
V Magnitude 17.77 mag
Solar Elongation -21.31 deg
Galactic Latitude 31.42 deg
Rate 1.287 deg/day
Direction -120.989 deg

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