NEODyS-2

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NEODyS ∴ Objects ∴ 2009HG21 ∴ Summary
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2009HG21  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 0.908072 3.691e-05 au
e 0.367616 0.001282
i 5.436 0.02485 deg
Ω 32.492 0.0008459 deg
ω 316.983 0.01263 deg
M 7.219 0.2559 deg

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Other useful info
Absolute Magnitude (H)    25.0 mag
Slope parameter (G)    0.15 mag
Perihelion 0.5743 au
Aphelion 1.2419 au
Asc. node-Earth separation -0.37598 au
Desc. node-Earth separation 0.06892 au
Earth MOID 0.01629 au
Orbital period 316.067 days
Date of orbit computation   Mar 13 11:22
Observational summary
Optical observations (Discarded) 27 (0)
Radar observations (Discarded) 0 (0)
Arc length 3 days
Unobserved 3378 days

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Ephemeris at epoch 58322 MJD
Right Ascension 140.909 deg
Declination 18.0946 deg
V Magnitude 27.92 mag
Solar Elongation -17.93 deg
Galactic Latitude 41.53 deg
Rate 0.774 deg/day
Direction 109.201 deg

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