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AstDyS ∴ Objects ∴ 1997AL21 ∴ Summary
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(100513) 1997AL21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.44543 8.604e-09 au
e 0.094716 4.065e-08
i 6.569 3.756e-06 deg
Ω 32.318 4.173e-05 deg
ω 75.334 4.968e-05 deg
M 55.386 2.595e-05 deg

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Other useful info
Absolute Magnitude (H)    15.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2138 au
Aphelion 2.677 au
Asc. node-Earth separation 1.37335 au
Desc. node-Earth separation 1.47759 au
Earth MOID 1.24184 au
Orbital period 1396.79 days
Date of orbit computation  feb 22 02:11
Observational summary
Optical observations (Discarded) 1655 (454)
Radar observations (Discarded) 0 (0)
Arc length 9870.88 days
Unobserved 88 days

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Ephemeris at epoch 60419 MJD
Right Ascension 162.558 deg
Declination 13.3748 deg
V Magnitude 19.7 mag
Solar Elongation -129.51 deg
Galactic Latitude 58.54 deg
Rate 0.073 deg/day
Direction -155.134 deg

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