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AstDyS ∴ Objects ∴ 2001SM257 ∴ Summary
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(194118) 2001SM257  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.37115 2.814e-08 au
e 0.174087 8.287e-08
i 2.376 8.864e-06 deg
Ω 72.519 0.0002556 deg
ω 228.166 0.0002577 deg
M 303.299 4.212e-05 deg

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Other useful info
Absolute Magnitude (H)    16.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9584 au
Aphelion 2.7839 au
Asc. node-Earth separation 1.61483 au
Desc. node-Earth separation 1.04467 au
Earth MOID 0.94269 au
Orbital period 1333.63 days
Date of orbit computation  Oct 31 06:59
Observational summary
Optical observations (Discarded) 181 (3)
Radar observations (Discarded) 0 (0)
Arc length 6048.81 days
Unobserved 279 days

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Ephemeris at epoch 58500 MJD
Right Ascension 270.955 deg
Declination -23.6223 deg
V Magnitude 21.41 mag
Solar Elongation 25.43 deg
Galactic Latitude -0.83 deg
Rate 0.569 deg/day
Direction 90.705 deg

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