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AstDyS ∴ Objects ∴ 2001SW221 ∴ Summary
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2001SW221  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.37657 1.04e-08 au
e 0.208802 1.37e-07
i 3.537 1.949e-05 deg
Ω 32.559 0.0001265 deg
ω 295.533 0.0001343 deg
M 76.937 4.207e-05 deg

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Other useful info
Absolute Magnitude (H)    18.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8803 au
Aphelion 2.8728 au
Asc. node-Earth separation 1.09161 au
Desc. node-Earth separation 1.49271 au
Earth MOID 0.87229 au
Orbital period 1338.21 days
Date of orbit computation  apr 24 01:20
Observational summary
Optical observations (Discarded) 118 (2)
Radar observations (Discarded) 0 (0)
Arc length 8119.87 days
Unobserved 139 days

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Ephemeris at epoch 60425 MJD
Right Ascension 61.5205 deg
Declination 22.6886 deg
V Magnitude 23.32 mag
Solar Elongation -28.99 deg
Galactic Latitude -21.5 deg
Rate 0.453 deg/day
Direction 78.374 deg

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