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AstDyS ∴ Objects ∴ 1998HS4 ∴ Summary
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(55941) 1998HS4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.095 1.755e-08 au
e 0.114744 3.886e-08
i 6.789 5.159e-06 deg
Ω 212.002 3.229e-05 deg
ω 39.637 3.965e-05 deg
M 237.793 2.198e-05 deg

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Other useful info
Absolute Magnitude (H)    15.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7399 au
Aphelion 3.4501 au
Asc. node-Earth separation 1.80093 au
Desc. node-Earth separation 2.35685 au
Earth MOID 1.73014 au
Orbital period 1988.79 days
Date of orbit computation  apr 23 19:58
Observational summary
Optical observations (Discarded) 1027 (3)
Radar observations (Discarded) 0 (0)
Arc length 10247 days
Unobserved 104 days

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Ephemeris at epoch 60426 MJD
Right Ascension 106.966 deg
Declination 16.0716 deg
V Magnitude 21.17 mag
Solar Elongation -70.59 deg
Galactic Latitude 10.81 deg
Rate 0.231 deg/day
Direction 90.395 deg

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