NEODyS-2

Near Earth Objects - Dynamic Site
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2017HD  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 1.52402 0.001182 au
e 0.455352 0.0005092
i 2.506 0.002471 deg
Ω 205.121 0.0006172 deg
ω 71.885 0.00064 deg
M 255.37 0.2896 deg

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Other useful info
Absolute Magnitude (H)    26.8 mag
Slope parameter (G)    0.15 mag
Perihelion 0.8301 au
Aphelion 2.218 au
Asc. node-Earth separation 0.05289 au
Desc. node-Earth separation 0.41144 au
Earth MOID 0.00594 au
Orbital period 687.2 days
Date of orbit computation   Oct 1 20:54
Observational summary
Optical observations (Discarded) 35 (1)
Radar observations (Discarded) 0 (0)
Arc length 6 days
Unobserved 570 days

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Ephemeris at epoch 58435 MJD
Right Ascension 171.422 deg
Declination 1.63451 deg
V Magnitude 30.84 mag
Solar Elongation 58.84 deg
Galactic Latitude 57.25 deg
Rate 0.572 deg/day
Direction 113.344 deg

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