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AstDyS ∴ Objects ∴ 1999XS143 ∴ Summary
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(20729) 1999XS143  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 5.22245 7.619e-08 au
e 0.065196 3.941e-08
i 22.004 4.061e-06 deg
Ω 306.93 1.203e-05 deg
ω 93.9 4.693e-05 deg
M 72.518 4.108e-05 deg

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Other useful info
Absolute Magnitude (H)    10.5 mag
Slope parameter (G)    0.15 mag
Perihelion 4.882 au
Aphelion 5.5629 au
Asc. node-Earth separation 4.20835 au
Desc. node-Earth separation 4.19314 au
Earth MOID 3.97991 au
Orbital period 4359.23 days
Date of orbit computation  Jun 5 00:41
Observational summary
Optical observations (Discarded) 2954 (5)
Radar observations (Discarded) 0 (0)
Arc length 26014 days
Unobserved 49 days

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Ephemeris at epoch 60488 MJD
Right Ascension 125.009 deg
Declination 19.1807 deg
V Magnitude 18.45 mag
Solar Elongation -27.3 deg
Galactic Latitude 27.82 deg
Rate 0.21 deg/day
Direction 110.404 deg

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