NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2009HH21 ∴ Summary
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2009HH21  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 1.40219 4.563e-05 au
e 0.263205 3.701e-05
i 4.227 0.004566 deg
Ω 213.325 0.03817 deg
ω 11.681 0.1339 deg
M 123.292 1.144 deg

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Other useful info
Absolute Magnitude (H)    26.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.0331 au
Aphelion 1.7713 au
Asc. node-Earth separation 0.03217 au
Desc. node-Earth separation 0.76357 au
Earth MOID 0.02805 au
Orbital period 606.472 days
Date of orbit computation   Mar 13 11:52
Observational summary
Optical observations (Discarded) 24 (3)
Radar observations (Discarded) 0 (0)
Arc length 7 days
Unobserved 3438 days

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Ephemeris at epoch 58387 MJD
Right Ascension 114.675 deg
Declination 18.5458 deg
V Magnitude 30.6 mag
Solar Elongation 69.29 deg
Galactic Latitude 18.53 deg
Rate 0.556 deg/day
Direction 103.197 deg

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