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AstDyS ∴ Objects ∴ 1998WJ9 ∴ Summary
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(15441) 1998WJ9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.64235 9.017e-09 au
e 0.197192 3.211e-08
i 14.368 3.225e-06 deg
Ω 95.391 1.863e-05 deg
ω 18.456 2.295e-05 deg
M 288.403 1.179e-05 deg

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Other useful info
Absolute Magnitude (H)    14.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1213 au
Aphelion 3.1634 au
Asc. node-Earth separation 1.1567 au
Desc. node-Earth separation 2.10731 au
Earth MOID 1.14287 au
Orbital period 1568.86 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 1566 (15)
Radar observations (Discarded) 0 (0)
Arc length 11932 days
Unobserved 195 days

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Ephemeris at epoch 60425 MJD
Right Ascension 30.1594 deg
Declination 1.99412 deg
V Magnitude 19.76 mag
Solar Elongation 11.45 deg
Galactic Latitude -56.44 deg
Rate 0.457 deg/day
Direction 67.706 deg

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