NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2017HF4 ∴ Summary
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2017HF4  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 2.21153 0.004513 au
e 0.525769 0.0009288
i 19.289 0.01952 deg
Ω 25.482 0.004123 deg
ω 148.179 0.01012 deg
M 109.93 0.3406 deg

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Other useful info
Absolute Magnitude (H)    23.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.0488 au
Aphelion 3.3743 au
Asc. node-Earth separation 1.89553 au
Desc. node-Earth separation 0.10281 au
Earth MOID 0.09184 au
Orbital period 1201.26 days
Date of orbit computation   Mar 13 14:21
Observational summary
Optical observations (Discarded) 15 (0)
Radar observations (Discarded) 0 (0)
Arc length 9 days
Unobserved 509 days

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Ephemeris at epoch 58386 MJD
Right Ascension 352.742 deg
Declination -20.6963 deg
V Magnitude 28.82 mag
Solar Elongation -157 deg
Galactic Latitude -70.55 deg
Rate 0.249 deg/day
Direction -97.221 deg

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