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AstDyS ∴ Objects ∴ 1998AL4 ∴ Summary
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(31200) 1998AL4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.91905 1.161e-08 au
e 0.055056 3.201e-08
i 1.311 3.411e-06 deg
Ω 342.677 0.0001462 deg
ω 158.559 0.0001494 deg
M 68.635 3.152e-05 deg

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Other useful info
Absolute Magnitude (H)    14.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7583 au
Aphelion 3.0798 au
Asc. node-Earth separation 2.05962 au
Desc. node-Earth separation 1.77721 au
Earth MOID 1.7715 au
Orbital period 1821.63 days
Date of orbit computation  feb 22 01:56
Observational summary
Optical observations (Discarded) 2133 (5)
Radar observations (Discarded) 0 (0)
Arc length 11767.7 days
Unobserved 108 days

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Ephemeris at epoch 60419 MJD
Right Ascension 222.376 deg
Declination -18.0328 deg
V Magnitude 18.56 mag
Solar Elongation 163.66 deg
Galactic Latitude 36.53 deg
Rate 0.189 deg/day
Direction -75.102 deg

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