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NEODyS ∴ Objects ∴ 2001HA4 ∴ Summary
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(523589) 2001HA4  ▹ 
SUMMARY
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 2.69004 3.222e-09 au
e 0.793347 4.721e-08
i 17.177 1.664e-05 deg
Ω 354.036 2.572e-05 deg
ω 95.629 2.441e-05 deg
M 90.311 2.4e-06 deg

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Other useful info
Absolute Magnitude (H)    17.7 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.5559 au
Aphelion distance 4.8242 au
Asc. node-Earth separation 0.07644 au
Desc. node-Earth separation -0.06924 au
Earth MOID 0.02516 au
Orbital period 1611.52 days
Date of orbit computation   feb 26 13:25
Observational summary
Optical observations (Discarded) 243 (0)
Radar observations (Discarded) 0 (0)
Arc length 8073 days
Unobserved 310 days

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Ephemeris
(Epoch 60398 MJD)
Right Ascension 262.88 deg
Declination -41.6448 deg
V Magnitude 24.28 mag
Solar Elongation 103.33 deg
Galactic Latitude -4.34 deg
Rate 0.083 deg/day
Direction -168.14 deg

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