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NEODyS ∴ Objects ∴ 2009HA21 ∴ Summary
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2009HA21  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 1.46073 3.856e-08 au
e 0.729181 3.73e-07
i 6.412 3.937e-05 deg
Ω 205.485 6.554e-05 deg
ω 219.806 9.81e-05 deg
M 191.295 7.29e-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 2.5259 au
Asc. node-Earth separation 0.55052 au
Desc. node-Earth separation -0.55775 au
Earth MOID 0.04631 au
Orbital period 644.842 days
Date of orbit computation   Oct 1 18:11
Observational summary
Optical observations (Discarded) 97 (1)
Radar observations (Discarded) 0 (0)
Arc length 3019 days
Unobserved 476 days

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Ephemeris at epoch 58436 MJD
Right Ascension 245.143 deg
Declination -18.027 deg
V Magnitude 25.98 mag
Solar Elongation -15.46 deg
Galactic Latitude 22.12 deg
Rate 0.375 deg/day
Direction 99.194 deg

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