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AstDyS ∴ Objects ∴ 1997WL21 ∴ Summary
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(100660) 1997WL21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.62401 6.938e-09 au
e 0.226681 3.511e-08
i 2.535 4.429e-06 deg
Ω 153.442 8.013e-05 deg
ω 259.078 8.084e-05 deg
M 83.449 1.005e-05 deg

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Other useful info
Absolute Magnitude (H)    15.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0292 au
Aphelion 3.2188 au
Asc. node-Earth separation 1.61158 au
Desc. node-Earth separation 1.37693 au
Earth MOID 1.0423 au
Orbital period 1552.55 days
Date of orbit computation  apr 23 20:09
Observational summary
Optical observations (Discarded) 1818 (11)
Radar observations (Discarded) 0 (0)
Arc length 9592.77 days
Unobserved 48 days

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Ephemeris at epoch 60425 MJD
Right Ascension 149.631 deg
Declination 13.1502 deg
V Magnitude 20.19 mag
Solar Elongation -112.21 deg
Galactic Latitude 47.32 deg
Rate 0.087 deg/day
Direction 105.619 deg

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