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AstDyS ∴ Objects ∴ 1998AS4 ∴ Summary
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(17730) 1998AS4  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.42659 1.037e-08 au
e 0.139539 6.115e-08
i 11.099 6.446e-06 deg
Ω 303.797 2.313e-05 deg
ω 236.051 3.112e-05 deg
M 126.072 1.992e-05 deg

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Other useful info
Absolute Magnitude (H)    13.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.088 au
Aphelion 2.7652 au
Asc. node-Earth separation 1.5643 au
Desc. node-Earth separation 1.22173 au
Earth MOID 1.11397 au
Orbital period 1380.68 days
Date of orbit computation  Oct 31 05:07
Observational summary
Optical observations (Discarded) 1533 (3)
Radar observations (Discarded) 0 (0)
Arc length 9553.96 days
Unobserved 154 days

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Ephemeris at epoch 58568 MJD
Right Ascension 353.079 deg
Declination 3.65902 deg
V Magnitude 18.44 mag
Solar Elongation 11.43 deg
Galactic Latitude -53.77 deg
Rate 0.408 deg/day
Direction 63.444 deg

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