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AstDyS ∴ Objects ∴ 1999XS143 ∴ Summary
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(20729) 1999XS143  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 5.21689 1.335e-07 au
e 0.064025 5.636e-08
i 22.009 8.501e-06 deg
Ω 306.914 1.613e-05 deg
ω 91.998 7.876e-05 deg
M 268.799 8.194e-05 deg

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Other useful info
Absolute Magnitude (H)    10.4 mag
Slope parameter (G)    0.15 mag
Perihelion 4.8829 au
Aphelion 5.5509 au
Asc. node-Earth separation 4.19128 au
Desc. node-Earth separation 4.19805 au
Earth MOID 3.97963 au
Orbital period 4352.27 days
Date of orbit computation  Oct 31 05:09
Observational summary
Optical observations (Discarded) 907 (5)
Radar observations (Discarded) 0 (0)
Arc length 23982.1 days
Unobserved 60 days

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Ephemeris at epoch 58466 MJD
Right Ascension 301.518 deg
Declination -20.648 deg
V Magnitude 18.33 mag
Solar Elongation -37.62 deg
Galactic Latitude -25.29 deg
Rate 0.202 deg/day
Direction 70.111 deg

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