NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2001HH31 ∴ Summary
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(159533) 2001HH31  ▹ 
SUMMARY
Keplerian elements
(Epoch 59800.0 MJD)
Value 1-σ variation Units
a 1.6544 4.861e-09 au
e 0.28896 3.449e-08
i 12.852 4.851e-06 deg
Ω 71.616 1.419e-05 deg
ω 275.975 1.717e-05 deg
M 264.912 1.022e-05 deg

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Other useful info
Absolute Magnitude (H)    17.6 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.1763 au
Aphelion distance 2.1325 au
Asc. node-Earth separation 0.48749 au
Desc. node-Earth separation 0.54934 au
Earth MOID 0.29146 au
Orbital period 777.248 days
Date of orbit computation   giu 9 10:52
Observational summary
Optical observations (Discarded) 684 (3)
Radar observations (Discarded) 0 (0)
Arc length 8966 days
Unobserved 80 days

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Ephemeris
(Epoch 59804 MJD)
Right Ascension 196.846 deg
Declination -1.71758 deg
V Magnitude 21.83 mag
Solar Elongation -56.39 deg
Galactic Latitude 60.9 deg
Rate 0.491 deg/day
Direction 122.267 deg

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