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 5.539e-09 au
e 0.288986 3.544e-08
i 12.853 6.175e-06 deg
Ω 71.632 1.44e-05 deg
ω 275.933 1.925e-05 deg
M 254.431 1.007e-05 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   Mar 26 13:34
Observational summary
Optical observations (Discarded) 609 (3)
Radar observations (Discarded) 0 (0)
Arc length 8175 days
Unobserved 5 days

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Ephemeris
(Epoch 58938 MJD)
Right Ascension 207.198 deg
Declination 10.7956 deg
V Magnitude 20.05 mag
Solar Elongation 156.54 deg
Galactic Latitude 68.81 deg
Rate 0.338 deg/day
Direction -67.822 deg

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