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 5.103e-09 au
e 0.288986 3.499e-08
i 12.853 5.549e-06 deg
Ω 71.632 1.436e-05 deg
ω 275.933 1.792e-05 deg
M 254.431 9.604e-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   Jun 6 14:31
Observational summary
Optical observations (Discarded) 643 (3)
Radar observations (Discarded) 0 (0)
Arc length 8232 days
Unobserved 53 days

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Ephemeris
(Epoch 59043 MJD)
Right Ascension 195.78 deg
Declination -0.84627 deg
V Magnitude 21.23 mag
Solar Elongation -84.1 deg
Galactic Latitude 61.88 deg
Rate 0.377 deg/day
Direction 132.68 deg

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