NEODyS-2

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2009HE21  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 2.38414 0.07773 au
e 0.857882 0.006784
i 6.606 0.2015 deg
Ω 32.452 1.405 deg
ω 300.659 1.645 deg
M 133.577 38.01 deg

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Other useful info
Absolute Magnitude (H)    24.5 mag
Slope parameter (G)    0.15 mag
Perihelion 0.3388 au
Aphelion 4.4295 au
Asc. node-Earth separation -0.55706 au
Desc. node-Earth separation 0.1141 au
Earth MOID 0.00962 au
Orbital period 1344.61 days
Date of orbit computation   Mar 13 11:17
Observational summary
Optical observations (Discarded) 27 (0)
Radar observations (Discarded) 0 (0)
Arc length 3 days
Unobserved 3440 days

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Ephemeris at epoch 58384 MJD
Right Ascension 161.86 deg
Declination 12.7459 deg
V Magnitude 31.78 mag
Solar Elongation 21.73 deg
Galactic Latitude 57.64 deg
Rate 0.203 deg/day
Direction 111.317 deg

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