NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2001HH31 ∴ Summary
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(159533) 2001HH31  ▹ 
SUMMARY
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.65435 4.523e-09 au
e 0.288914 3.335e-08
i 12.853 4.083e-06 deg
Ω 71.611 1.384e-05 deg
ω 275.965 1.638e-05 deg
M 182.853 1.096e-05 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 2.1323 au
Asc. node-Earth separation 0.48703 au
Desc. node-Earth separation 0.54906 au
Earth MOID 0.29159 au
Orbital period 777.213 days
Date of orbit computation   mag 15 14:33
Observational summary
Optical observations (Discarded) 727 (3)
Radar observations (Discarded) 0 (0)
Arc length 9686 days
Unobserved 9 days

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Ephemeris
(Epoch 60453 MJD)
Right Ascension 161.874 deg
Declination 22.778 deg
V Magnitude 21.78 mag
Solar Elongation -92.44 deg
Galactic Latitude 61.64 deg
Rate 0.264 deg/day
Direction 139.831 deg

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