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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Erin ∴ Summary
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(2167) Erin  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.54302 1.156e-08 au
e 0.184338 5.596e-08
i 6.027 4.036e-06 deg
Ω 252.91 5.125e-05 deg
ω 274.084 5.234e-05 deg
M 303.366 1.288e-05 deg

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Other useful info
Absolute Magnitude (H)    12.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0742 au
Aphelion 3.0118 au
Asc. node-Earth separation 1.40921 au
Desc. node-Earth separation 1.50312 au
Earth MOID 1.09001 au
Orbital period 1481.23 days
Date of orbit computation  Oct 31 04:56
Observational summary
Optical observations (Discarded) 2059 (11)
Radar observations (Discarded) 0 (0)
Arc length 29452.7 days
Unobserved 116 days

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Ephemeris at epoch 58531 MJD
Right Ascension 117.67 deg
Declination 11.9438 deg
V Magnitude 15 mag
Solar Elongation -148.46 deg
Galactic Latitude 18.48 deg
Rate 0.147 deg/day
Direction -77.305 deg

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