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AstDyS ∴ Objects ∴ 1998HC4 ∴ Summary
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(316725) 1998HC4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.28195 7.595e-09 au
e 0.126382 4.195e-08
i 7.004 4.036e-06 deg
Ω 165.85 3.632e-05 deg
ω 207.655 3.959e-05 deg
M 28.872 1.745e-05 deg

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Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9936 au
Aphelion 2.5703 au
Asc. node-Earth separation 1.53657 au
Desc. node-Earth separation 1.01256 au
Earth MOID 0.996 au
Orbital period 1259.09 days
Date of orbit computation  feb 22 02:57
Observational summary
Optical observations (Discarded) 496 (2)
Radar observations (Discarded) 0 (0)
Arc length 9384.96 days
Unobserved 110 days

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Ephemeris at epoch 60418 MJD
Right Ascension 46.1995 deg
Declination 12.619 deg
V Magnitude 21.78 mag
Solar Elongation -19.74 deg
Galactic Latitude -38.75 deg
Rate 0.551 deg/day
Direction 74.43 deg

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