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AstDyS ∴ Objects ∴ 1999AR9 ∴ Summary
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(74415) 1999AR9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.20883 2.205e-08 au
e 0.14454 4.481e-08
i 25.365 4.811e-06 deg
Ω 337.347 9.634e-06 deg
ω 40.498 2.107e-05 deg
M 256.256 1.675e-05 deg

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Other useful info
Absolute Magnitude (H)    13.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.745 au
Aphelion 3.6726 au
Asc. node-Earth separation 1.82156 au
Desc. node-Earth separation 2.53995 au
Earth MOID 1.77962 au
Orbital period 2099.52 days
Date of orbit computation  apr 23 20:02
Observational summary
Optical observations (Discarded) 1967 (7)
Radar observations (Discarded) 0 (0)
Arc length 9777.44 days
Unobserved 322 days

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Ephemeris at epoch 60440 MJD
Right Ascension 287.574 deg
Declination -53.07 deg
V Magnitude 18.68 mag
Solar Elongation 121.57 deg
Galactic Latitude -24.11 deg
Rate 0.1 deg/day
Direction -172.676 deg

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