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AstDyS ∴ Objects ∴ 1998HN4 ∴ Summary
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(52730) 1998HN4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.17769 5.368e-09 au
e 0.295249 4.238e-08
i 8.258 4.721e-06 deg
Ω 53.065 2.984e-05 deg
ω 266.868 3.13e-05 deg
M 306.951 8.719e-06 deg

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Other useful info
Absolute Magnitude (H)    16.2 mag
Slope parameter (G)    0.15 mag
Perihelion 1.5347 au
Aphelion 2.8206 au
Asc. node-Earth separation 1.03189 au
Desc. node-Earth separation 0.94584 au
Earth MOID 0.55142 au
Orbital period 1173.79 days
Date of orbit computation  apr 23 19:57
Observational summary
Optical observations (Discarded) 1147 (7)
Radar observations (Discarded) 0 (0)
Arc length 12194 days
Unobserved 396 days

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Ephemeris at epoch 60426 MJD
Right Ascension 270.303 deg
Declination -26.1747 deg
V Magnitude 18.91 mag
Solar Elongation 125.6 deg
Galactic Latitude -1.58 deg
Rate 0.22 deg/day
Direction 123.529 deg

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