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AstDyS ∴ Objects ∴ 2001SM139 ∴ Summary
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(171922) 2001SM139  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.06272 2.615e-08 au
e 0.148222 7.007e-08
i 2.544 6.55e-06 deg
Ω 218.389 0.0001307 deg
ω 132.582 0.000133 deg
M 81.885 2.068e-05 deg

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Other useful info
Absolute Magnitude (H)    16.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6088 au
Aphelion 3.5167 au
Asc. node-Earth separation 2.32184 au
Desc. node-Earth separation 1.73087 au
Earth MOID 1.60377 au
Orbital period 1957.75 days
Date of orbit computation  apr 23 20:25
Observational summary
Optical observations (Discarded) 393 (2)
Radar observations (Discarded) 0 (0)
Arc length 10833 days
Unobserved 115 days

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Ephemeris at epoch 60427 MJD
Right Ascension 80.877 deg
Declination 21.4128 deg
V Magnitude 22.22 mag
Solar Elongation -44.64 deg
Galactic Latitude -8.26 deg
Rate 0.331 deg/day
Direction 86.225 deg

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