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AstDyS ∴ Objects ∴ 1998HJ20 ∴ Summary
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(37947) 1998HJ20  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.55873 1.01e-08 au
e 0.024579 4.743e-08
i 1.903 4.195e-06 deg
Ω 212.801 0.0001081 deg
ω 114.916 0.000139 deg
M 350.868 8.879e-05 deg

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Other useful info
Absolute Magnitude (H)    15.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4958 au
Aphelion 2.6216 au
Asc. node-Earth separation 1.57835 au
Desc. node-Earth separation 1.53774 au
Earth MOID 1.48424 au
Orbital period 1494.98 days
Date of orbit computation  apr 23 19:54
Observational summary
Optical observations (Discarded) 1576 (4)
Radar observations (Discarded) 0 (0)
Arc length 10678 days
Unobserved 285 days

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Ephemeris at epoch 60426 MJD
Right Ascension 344.114 deg
Declination -5.1658 deg
V Magnitude 20.64 mag
Solar Elongation 52.56 deg
Galactic Latitude -54.9 deg
Rate 0.405 deg/day
Direction 67.179 deg

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