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AstDyS ∴ Objects ∴ 1998WA8 ∴ Summary
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(21597) 1998WA8  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.0191 1.472e-08 au
e 0.070444 2.707e-08
i 11.266 2.516e-06 deg
Ω 59.872 1.741e-05 deg
ω 234.106 2.771e-05 deg
M 58.837 2.148e-05 deg

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Other useful info
Absolute Magnitude (H)    12.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.8064 au
Aphelion 3.2318 au
Asc. node-Earth separation 2.14658 au
Desc. node-Earth separation 1.87285 au
Earth MOID 1.80731 au
Orbital period 1916.09 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 4316 (52)
Radar observations (Discarded) 0 (0)
Arc length 10078.6 days
Unobserved 121 days

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Ephemeris at epoch 60420 MJD
Right Ascension 12.9078 deg
Declination -2.13881 deg
V Magnitude 18.27 mag
Solar Elongation 20.26 deg
Galactic Latitude -65.01 deg
Rate 0.39 deg/day
Direction 65.722 deg

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