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AstDyS ∴ Objects ∴ 1999WJ20 ∴ Summary
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(137649) 1999WJ20  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.3837 7.619e-09 au
e 0.190438 4.825e-08
i 2.78 5.052e-06 deg
Ω 346.228 9.615e-05 deg
ω 67.468 9.803e-05 deg
M 223.159 1.537e-05 deg

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Other useful info
Absolute Magnitude (H)    17.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9298 au
Aphelion 2.8377 au
Asc. node-Earth separation 1.13415 au
Desc. node-Earth separation 1.48614 au
Earth MOID 0.94325 au
Orbital period 1344.24 days
Date of orbit computation  apr 23 20:17
Observational summary
Optical observations (Discarded) 562 (4)
Radar observations (Discarded) 0 (0)
Arc length 10092.1 days
Unobserved 345 days

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Ephemeris at epoch 60425 MJD
Right Ascension 292.439 deg
Declination -25.1005 deg
V Magnitude 22.37 mag
Solar Elongation 104.67 deg
Galactic Latitude -19.12 deg
Rate 0.135 deg/day
Direction 88.145 deg

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