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(137170) 1999HF1  ▹ 
SUMMARY
Keplerian elements
(Epoch 59000.0 MJD)
Value 1-σ variation Units
a 0.819168 7.696e-10 au
e 0.462438 5.573e-08
i 25.66 6.199e-06 deg
Ω 155.867 2.095e-05 deg
ω 253.406 1.856e-05 deg
M 282.058 1.498e-05 deg

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Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.4404 au
Aphelion distance 1.198 au
Asc. node-Earth separation -0.24793 au
Desc. node-Earth separation -0.44044 au
Earth MOID 0.17377 au
Orbital period 270.806 days
Date of orbit computation   Apr 5 14:34
Observational summary
Optical observations (Discarded) 3674 (9)
Radar observations (Discarded) 0 (0)
Arc length 7655 days
Unobserved 3 days

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Ephemeris
(Epoch 58947 MJD)
Right Ascension 300.776 deg
Declination 13.6995 deg
V Magnitude 16.73 mag
Solar Elongation 74.91 deg
Galactic Latitude -9.09 deg
Rate 0.813 deg/day
Direction 62.523 deg

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