NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2001HH31 ∴ Summary
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(159533) 2001HH31  ▹ 
SUMMARY
Keplerian elements
(Epoch 60200.0 MJD)
Value 1-σ variation Units
a 1.65426 4.861e-09 au
e 0.289019 3.447e-08
i 12.853 4.851e-06 deg
Ω 71.612 1.419e-05 deg
ω 275.965 1.717e-05 deg
M 90.2 1.073e-05 deg

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Other useful info
Absolute Magnitude (H)    17.6 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.1761 au
Aphelion distance 2.1324 au
Asc. node-Earth separation 0.48533 au
Desc. node-Earth separation 0.54812 au
Earth MOID 0.29093 au
Orbital period 777.149 days
Date of orbit computation   lug 27 09:57
Observational summary
Optical observations (Discarded) 684 (3)
Radar observations (Discarded) 0 (0)
Arc length 8966 days
Unobserved 489 days

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Ephemeris
(Epoch 60213 MJD)
Right Ascension 141.262 deg
Declination 22.1567 deg
V Magnitude 21.93 mag
Solar Elongation 46.05 deg
Galactic Latitude 43.16 deg
Rate 0.513 deg/day
Direction 100.159 deg

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