NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2001HH31 ∴ Summary
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(159533) 2001HH31  ▹ 
SUMMARY
Keplerian elements
(Epoch 59000.0 MJD)
Value 1-σ variation Units
a 1.65433 5.085e-09 au
e 0.288986 3.495e-08
i 12.853 5.545e-06 deg
Ω 71.632 1.431e-05 deg
ω 275.933 1.784e-05 deg
M 254.431 9.601e-06 deg

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Other useful info
Absolute Magnitude (H)    17.6 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.1762 au
Aphelion distance 2.1324 au
Asc. node-Earth separation 0.48687 au
Desc. node-Earth separation 0.54875 au
Earth MOID 0.29153 au
Orbital period 777.196 days
Date of orbit computation   Jul 13 14:38
Observational summary
Optical observations (Discarded) 647 (3)
Radar observations (Discarded) 0 (0)
Arc length 8284 days
Unobserved 78 days

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Ephemeris
(Epoch 59120 MJD)
Right Ascension 231.348 deg
Declination -21.2708 deg
V Magnitude 21.16 mag
Solar Elongation -49.36 deg
Galactic Latitude 28.93 deg
Rate 0.653 deg/day
Direction 111.952 deg

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