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NEODyS ∴ Objects ∴ 2009HA21 ∴ Summary
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2009HA21  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 1.46062 3.819e-08 au
e 0.729107 3.731e-07
i 6.414 3.939e-05 deg
Ω 205.5 6.545e-05 deg
ω 219.777 9.806e-05 deg
M 79.699 7.561e-05 deg

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Other useful info
Absolute Magnitude (H)    20.9 mag
Slope parameter (G)    0.15 mag
Perihelion 0.3957 au
Aphelion 2.5256 au
Asc. node-Earth separation 0.55316 au
Desc. node-Earth separation -0.5584 au
Earth MOID 0.0465 au
Orbital period 644.769 days
Date of orbit computation   Mar 13 11:38
Observational summary
Optical observations (Discarded) 97 (1)
Radar observations (Discarded) 0 (0)
Arc length 3019 days
Unobserved 332 days

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Ephemeris at epoch 58292 MJD
Right Ascension 211.407 deg
Declination -8.22836 deg
V Magnitude 24.97 mag
Solar Elongation -120.76 deg
Galactic Latitude 50.34 deg
Rate 0.072 deg/day
Direction -80.132 deg

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