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AstDyS ∴ Objects ∴ 1999WS4 ∴ Summary
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(38574) 1999WS4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 5.13894 7.4e-08 au
e 0.106413 5.299e-08
i 7.197 4.416e-06 deg
Ω 300.851 4.006e-05 deg
ω 171.203 4.783e-05 deg
M 0.016 2.656e-05 deg

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Other useful info
Absolute Magnitude (H)    11.9 mag
Slope parameter (G)    0.15 mag
Perihelion 4.5921 au
Aphelion 5.6858 au
Asc. node-Earth separation 4.66207 au
Desc. node-Earth separation 3.61377 au
Earth MOID 3.60935 au
Orbital period 4255.09 days
Date of orbit computation  apr 23 19:54
Observational summary
Optical observations (Discarded) 1749 (5)
Radar observations (Discarded) 0 (0)
Arc length 9256.2 days
Unobserved 39 days

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Ephemeris at epoch 60425 MJD
Right Ascension 104.23 deg
Declination 23.5222 deg
V Magnitude 19.33 mag
Solar Elongation -68.08 deg
Galactic Latitude 11.62 deg
Rate 0.169 deg/day
Direction 100.525 deg

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