AstDyS-2

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AstDyS ∴ Objects ∴ 1998WW20 ∴ Summary
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(25297) 1998WW20  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.98826 1.601e-08 au
e 0.066869 4.476e-08
i 11.569 4.09e-06 deg
Ω 64.418 2.813e-05 deg
ω 175.124 5.604e-05 deg
M 144.675 5.062e-05 deg

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Other useful info
Absolute Magnitude (H)    13.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7884 au
Aphelion 3.1881 au
Asc. node-Earth separation 2.20121 au
Desc. node-Earth separation 1.77601 au
Earth MOID 1.77593 au
Orbital period 1886.8 days
Date of orbit computation  feb 22 01:55
Observational summary
Optical observations (Discarded) 2017 (174)
Radar observations (Discarded) 0 (0)
Arc length 10019.4 days
Unobserved 131 days

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Ephemeris at epoch 60397 MJD
Right Ascension 23.6002 deg
Declination 4.17672 deg
V Magnitude 19.87 mag
Solar Elongation -16.75 deg
Galactic Latitude -57.02 deg
Rate 0.361 deg/day
Direction 64.313 deg

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