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AstDyS ∴ Objects ∴ 1997AL ∴ Summary
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(52551) 1997AL  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.16348 3.063e-08 au
e 0.051736 5.149e-08
i 8.375 6.28e-06 deg
Ω 311.177 4.283e-05 deg
ω 158.603 8.041e-05 deg
M 322.778 6.92e-05 deg

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Other useful info
Absolute Magnitude (H)    13.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.9998 au
Aphelion 3.3271 au
Asc. node-Earth separation 2.29948 au
Desc. node-Earth separation 2.02352 au
Earth MOID 2.0169 au
Orbital period 2055.16 days
Date of orbit computation  Oct 31 05:29
Observational summary
Optical observations (Discarded) 662 (6)
Radar observations (Discarded) 0 (0)
Arc length 7646.86 days
Unobserved 492 days

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Ephemeris at epoch 58591 MJD
Right Ascension 88.5814 deg
Declination 26.6623 deg
V Magnitude 19.82 mag
Solar Elongation -61.36 deg
Galactic Latitude 0.48 deg
Rate 0.304 deg/day
Direction 95.991 deg

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