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AstDyS ∴ Objects ∴ 1999AL21 ∴ Summary
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(22767) 1999AL21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.43368 5.789e-09 au
e 0.199527 3.523e-08
i 3.153 3.598e-06 deg
Ω 147.666 5.048e-05 deg
ω 198.371 5.098e-05 deg
M 343.317 6.422e-06 deg

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Other useful info
Absolute Magnitude (H)    14.7 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9481 au
Aphelion 2.9193 au
Asc. node-Earth separation 1.89485 au
Desc. node-Earth separation 0.95344 au
Earth MOID 0.94106 au
Orbital period 1386.73 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 2663 (13)
Radar observations (Discarded) 0 (0)
Arc length 14911.9 days
Unobserved 275 days

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Ephemeris at epoch 60419 MJD
Right Ascension 348.842 deg
Declination -4.81853 deg
V Magnitude 19.19 mag
Solar Elongation 41.24 deg
Galactic Latitude -58.03 deg
Rate 0.569 deg/day
Direction 68.668 deg

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