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AstDyS ∴ Objects ∴ 1998SW157 ∴ Summary
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(129709) 1998SW157  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.92078 1.919e-08 au
e 0.132203 4.951e-08
i 3.613 4.765e-06 deg
Ω 248.244 9.673e-05 deg
ω 168.179 0.0001001 deg
M 3.163 2.519e-05 deg

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Other useful info
Absolute Magnitude (H)    15.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5346 au
Aphelion 3.3069 au
Asc. node-Earth separation 2.2824 au
Desc. node-Earth separation 1.55561 au
Earth MOID 1.54696 au
Orbital period 1823.25 days
Date of orbit computation  feb 22 02:17
Observational summary
Optical observations (Discarded) 713 (7)
Radar observations (Discarded) 0 (0)
Arc length 9239.88 days
Unobserved 95 days

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Ephemeris at epoch 60419 MJD
Right Ascension 53.0411 deg
Declination 19.24 deg
V Magnitude 21.1 mag
Solar Elongation -26.31 deg
Galactic Latitude -29.45 deg
Rate 0.448 deg/day
Direction 77.753 deg

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