NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2001HH31 ∴ Summary
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(159533) 2001HH31  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 1.65455 6.657e-09 au
e 0.28889 3.9e-08
i 12.852 6.472e-06 deg
Ω 71.636 1.542e-05 deg
ω 275.928 2.114e-05 deg
M 243.91 1.016e-05 deg

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Other useful info
Absolute Magnitude (H)    17.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.1766 au
Aphelion 2.1325 au
Asc. node-Earth separation 0.48606 au
Desc. node-Earth separation 0.54914 au
Earth MOID 0.29099 au
Orbital period 777.355 days
Date of orbit computation   May 21 15:13
Observational summary
Optical observations (Discarded) 578 (7)
Radar observations (Discarded) 0 (0)
Arc length 7500 days
Unobserved 4 days

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Ephemeris at epoch 58262 MJD
Right Ascension 213.174 deg
Declination -1.82915 deg
V Magnitude 19.38 mag
Solar Elongation -147.38 deg
Galactic Latitude 55.05 deg
Rate 0.373 deg/day
Direction -105.08 deg

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