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AstDyS ∴ Objects ∴ 2008HH9 ∴ Summary
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(218988) 2008HH9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.08864 2.742e-08 au
e 0.059434 4.534e-08
i 12.106 4.941e-06 deg
Ω 121.948 2.488e-05 deg
ω 200.476 5.405e-05 deg
M 242.111 4.641e-05 deg

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Other useful info
Absolute Magnitude (H)    15.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.9051 au
Aphelion 3.2722 au
Asc. node-Earth separation 2.27553 au
Desc. node-Earth separation 1.89982 au
Earth MOID 1.89427 au
Orbital period 1982.67 days
Date of orbit computation  feb 22 02:36
Observational summary
Optical observations (Discarded) 538 (2)
Radar observations (Discarded) 0 (0)
Arc length 9472.9 days
Unobserved 397 days

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Ephemeris at epoch 60416 MJD
Right Ascension 203.96 deg
Declination 8.57455 deg
V Magnitude 20.05 mag
Solar Elongation -161.32 deg
Galactic Latitude 68.68 deg
Rate 0.196 deg/day
Direction -67.883 deg

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