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AstDyS ∴ Objects ∴ Etheridgea ∴ Summary
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(331) Etheridgea  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.02826 1.185e-08 au
e 0.098241 3.783e-08
i 6.047 4.082e-06 deg
Ω 22.032 3.622e-05 deg
ω 332.782 4.128e-05 deg
M 238.707 2e-05 deg

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Other useful info
Absolute Magnitude (H)    9.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7308 au
Aphelion 3.3258 au
Asc. node-Earth separation 1.76091 au
Desc. node-Earth separation 2.28199 au
Earth MOID 1.72737 au
Orbital period 1924.81 days
Date of orbit computation  Oct 31 04:54
Observational summary
Optical observations (Discarded) 2756 (68)
Radar observations (Discarded) 0 (0)
Arc length 46158.2 days
Unobserved 85 days

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Ephemeris at epoch 58434 MJD
Right Ascension 226.827 deg
Declination -19.8054 deg
V Magnitude 15.5 mag
Solar Elongation -2.26 deg
Galactic Latitude 32.68 deg
Rate 0.368 deg/day
Direction 107.66 deg

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