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AstDyS ∴ Objects ∴ 2008HJ21 ∴ Summary
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(418384) 2008HJ21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.54544 1.878e-08 au
e 0.198326 6.503e-08
i 4.677 4.483e-06 deg
Ω 132.21 9.854e-05 deg
ω 35.155 9.978e-05 deg
M 16.23 1.826e-05 deg

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Other useful info
Absolute Magnitude (H)    17.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0406 au
Aphelion 3.0503 au
Asc. node-Earth separation 1.11935 au
Desc. node-Earth separation 1.90404 au
Earth MOID 1.0502 au
Orbital period 1483.34 days
Date of orbit computation  feb 22 03:18
Observational summary
Optical observations (Discarded) 273 (1)
Radar observations (Discarded) 0 (0)
Arc length 5373.67 days
Unobserved 482 days

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Ephemeris at epoch 60398 MJD
Right Ascension 195.406 deg
Declination 1.77715 deg
V Magnitude 19.22 mag
Solar Elongation 170.8 deg
Galactic Latitude 64.53 deg
Rate 0.226 deg/day
Direction -58.333 deg

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