NEODyS-2

Near Earth Objects - Dynamic Site
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2017HF4  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.21176 0.004513 au
e 0.525615 0.0009288
i 19.287 0.01952 deg
Ω 25.485 0.004112 deg
ω 148.18 0.01015 deg
M 169.863 0.524 deg

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Other useful info
Absolute Magnitude (H)    23.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.0492 au
Aphelion 3.3743 au
Asc. node-Earth separation 1.89656 au
Desc. node-Earth separation 0.10135 au
Earth MOID 0.09053 au
Orbital period 1201.45 days
Date of orbit computation   Oct 1 21:13
Observational summary
Optical observations (Discarded) 15 (0)
Radar observations (Discarded) 0 (0)
Arc length 9 days
Unobserved 561 days

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Ephemeris at epoch 58438 MJD
Right Ascension 344.945 deg
Declination -18.614 deg
V Magnitude 29.66 mag
Solar Elongation -105.3 deg
Galactic Latitude -62.98 deg
Rate 0.097 deg/day
Direction -5.221 deg

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