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AstDyS ∴ Objects ∴ 1998HJ42 ∴ Summary
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(207997) 1998HJ42  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.18641 3.266e-08 au
e 0.116247 4.788e-08
i 5.909 5.955e-06 deg
Ω 153.751 4.626e-05 deg
ω 62.193 5.316e-05 deg
M 209.622 2.493e-05 deg

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Other useful info
Absolute Magnitude (H)    16.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.816 au
Aphelion 3.5568 au
Asc. node-Earth separation 1.99275 au
Desc. node-Earth separation 2.3135 au
Earth MOID 1.81595 au
Orbital period 2077.55 days
Date of orbit computation  apr 23 20:33
Observational summary
Optical observations (Discarded) 385 (4)
Radar observations (Discarded) 0 (0)
Arc length 9359.06 days
Unobserved 153 days

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Ephemeris at epoch 60441 MJD
Right Ascension 61.0481 deg
Declination 16.0755 deg
V Magnitude 22.28 mag
Solar Elongation -12.58 deg
Galactic Latitude -26.35 deg
Rate 0.324 deg/day
Direction 78.191 deg

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