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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998AJ ∴ Summary
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(11157) 1998AJ  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.1041 1.765e-08 au
e 0.18153 4.281e-08
i 4.109 4.133e-06 deg
Ω 118.397 7.503e-05 deg
ω 305.75 7.637e-05 deg
M 317.478 1.434e-05 deg

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Other useful info
Absolute Magnitude (H)    13.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5406 au
Aphelion 3.6676 au
Asc. node-Earth separation 1.72873 au
Desc. node-Earth separation 2.34153 au
Earth MOID 1.55605 au
Orbital period 1997.57 days
Date of orbit computation  Oct 31 05:03
Observational summary
Optical observations (Discarded) 1545 (5)
Radar observations (Discarded) 0 (0)
Arc length 17865.5 days
Unobserved 96 days

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Ephemeris at epoch 58503 MJD
Right Ascension 9.68599 deg
Declination -0.01247 deg
V Magnitude 18.51 mag
Solar Elongation -69.58 deg
Galactic Latitude -62.71 deg
Rate 0.337 deg/day
Direction 63.861 deg

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