NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2001HH31 ∴ Summary
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(159533) 2001HH31  ▹ 
SUMMARY
Keplerian elements
(Epoch 59200.0 MJD)
Value 1-σ variation Units
a 1.65444 5.107e-09 au
e 0.28897 3.495e-08
i 12.852 5.544e-06 deg
Ω 71.63 1.431e-05 deg
ω 275.912 1.784e-05 deg
M 347.084 9.769e-06 deg

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Other useful info
Absolute Magnitude (H)    17.6 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.1764 au
Aphelion distance 2.1325 au
Asc. node-Earth separation 0.48662 au
Desc. node-Earth separation 0.54716 au
Earth MOID 0.29075 au
Orbital period 777.273 days
Date of orbit computation   Mar 19 08:39
Observational summary
Optical observations (Discarded) 647 (3)
Radar observations (Discarded) 0 (0)
Arc length 8284 days
Unobserved 434 days

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Ephemeris
(Epoch 59476 MJD)
Right Ascension 148.427 deg
Declination 20.9035 deg
V Magnitude 22.12 mag
Solar Elongation 33.35 deg
Galactic Latitude 49.15 deg
Rate 0.51 deg/day
Direction 104.348 deg

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