NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2001HH31 ∴ Summary
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(159533) 2001HH31  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 1.65435 7.128e-09 au
e 0.289152 4.077e-08
i 12.851 6.693e-06 deg
Ω 71.644 1.564e-05 deg
ω 275.939 2.29e-05 deg
M 58.611 1.087e-05 deg

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Other useful info
Absolute Magnitude (H)    17.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.176 au
Aphelion 2.1327 au
Asc. node-Earth separation 0.48694 au
Desc. node-Earth separation 0.5489 au
Earth MOID 0.29155 au
Orbital period 777.209 days
Date of orbit computation   Feb 15 14:46
Observational summary
Optical observations (Discarded) 534 (7)
Radar observations (Discarded) 0 (0)
Arc length 7024 days
Unobserved 89 days

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Ephemeris at epoch 57871 MJD
Right Ascension 84.2747 deg
Declination 29.5294 deg
V Magnitude 21.85 mag
Solar Elongation -47.63 deg
Galactic Latitude -1.26 deg
Rate 0.576 deg/day
Direction 84.387 deg

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