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AstDyS ∴ Objects ∴ 1999HJ9 ∴ Summary
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(137172) 1999HJ9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.96385 2.32e-08 au
e 0.161857 4.85e-08
i 4.893 6.935e-06 deg
Ω 20.341 6.117e-05 deg
ω 218.682 6.509e-05 deg
M 291.871 2.738e-05 deg

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Other useful info
Absolute Magnitude (H)    15.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4841 au
Aphelion 3.4436 au
Asc. node-Earth separation 2.30661 au
Desc. node-Earth separation 1.56064 au
Earth MOID 1.47449 au
Orbital period 1863.73 days
Date of orbit computation  apr 23 20:17
Observational summary
Optical observations (Discarded) 512 (3)
Radar observations (Discarded) 0 (0)
Arc length 9129.03 days
Unobserved 37 days

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Ephemeris at epoch 60426 MJD
Right Ascension 141.262 deg
Declination 19.185 deg
V Magnitude 20.81 mag
Solar Elongation -101.64 deg
Galactic Latitude 42.22 deg
Rate 0.133 deg/day
Direction 123.704 deg

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