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AstDyS ∴ Objects ∴ 2001SN257 ∴ Summary
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(140255) 2001SN257  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.1764 1.899e-08 au
e 0.1923 4.384e-08
i 7.222 4.635e-06 deg
Ω 177.676 3.229e-05 deg
ω 207.974 3.395e-05 deg
M 2.178 1.185e-05 deg

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Other useful info
Absolute Magnitude (H)    14.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5656 au
Aphelion 3.7872 au
Asc. node-Earth separation 2.6895 au
Desc. node-Earth separation 1.61129 au
Earth MOID 1.57207 au
Orbital period 2067.76 days
Date of orbit computation  apr 23 20:18
Observational summary
Optical observations (Discarded) 1546 (306)
Radar observations (Discarded) 0 (0)
Arc length 8527.86 days
Unobserved 139 days

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Ephemeris at epoch 60427 MJD
Right Ascension 34.8391 deg
Declination 10.5117 deg
V Magnitude 19.7 mag
Solar Elongation 3.31 deg
Galactic Latitude -46.74 deg
Rate 0.461 deg/day
Direction 73.228 deg

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