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(221879) 2008HJ18  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.16298 2.571e-08 au
e 0.208762 4.717e-08
i 15.893 5.464e-06 deg
Ω 189.406 1.826e-05 deg
ω 118.246 2.499e-05 deg
M 238.554 1.362e-05 deg

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Other useful info
Absolute Magnitude (H)    16.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5027 au
Aphelion 3.8233 au
Asc. node-Earth separation 2.35808 au
Desc. node-Earth separation 1.75306 au
Earth MOID 1.53466 au
Orbital period 2054.68 days
Date of orbit computation  apr 23 20:36
Observational summary
Optical observations (Discarded) 396 (1)
Radar observations (Discarded) 0 (0)
Arc length 9779.08 days
Unobserved 49 days

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Ephemeris at epoch 60427 MJD
Right Ascension 158.304 deg
Declination 2.99727 deg
V Magnitude 21.83 mag
Solar Elongation -121.75 deg
Galactic Latitude 49.1 deg
Rate 0.075 deg/day
Direction -4.438 deg

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