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NEODyS ∴ Objects ∴ 2009HA21 ∴ Summary
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2009HA21  ▹ 
SUMMARY
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 1.46045 2.441e-08 au
e 0.729108 2.488e-07
i 6.415 2.684e-05 deg
Ω 205.5 4.292e-05 deg
ω 219.771 6.312e-05 deg
M 328.027 4.799e-05 deg

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Other useful info
Absolute Magnitude (H)    20.9 mag
Slope parameter (G)    0.15 mag
Perihelion 0.3956 au
Aphelion 2.5253 au
Asc. node-Earth separation 0.55396 au
Desc. node-Earth separation -0.55733 au
Earth MOID 0.04658 au
Orbital period 644.657 days
Date of orbit computation   Oct 9 19:04
Observational summary
Optical observations (Discarded) 97 (10)
Radar observations (Discarded) 0 (0)
Arc length 3019 days
Unobserved 141 days

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Ephemeris at epoch 58101 MJD
Right Ascension 217.818 deg
Declination -16.9821 deg
V Magnitude 23.19 mag
Solar Elongation 41.08 deg
Galactic Latitude 39.68 deg
Rate 0.577 deg/day
Direction 104.102 deg

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