NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2009HE21 ∴ Summary
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2009HE21  ▹ 
SUMMARY
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 2.41311 0.04222 au
e 0.860615 0.004033
i 6.703 0.1716 deg
Ω 31.623 1.579 deg
ω 301.522 1.613 deg
M 64.774 22.89 deg

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Other useful info
Absolute Magnitude (H)    24.5 mag
Slope parameter (G)    0.15 mag
Perihelion 0.3364 au
Aphelion 4.4899 au
Asc. node-Earth separation -0.56234 au
Desc. node-Earth separation 0.1338 au
Earth MOID 0.0112 au
Orbital period 1369.19 days
Date of orbit computation   Oct 9 18:48
Observational summary
Optical observations (Discarded) 27 (1)
Radar observations (Discarded) 0 (0)
Arc length 3 days
Unobserved 3199 days

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Ephemeris at epoch 58143 MJD
Right Ascension 151.289 deg
Declination 20.637 deg
V Magnitude 30.28 mag
Solar Elongation 157.17 deg
Galactic Latitude 51.61 deg
Rate 0.252 deg/day
Direction -66.676 deg

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