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AstDyS ∴ Objects ∴ 1998HE4 ∴ Summary
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(192484) 1998HE4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.6557 1.888e-08 au
e 0.107757 4.767e-08
i 6.556 5.181e-06 deg
Ω 155.536 5.567e-05 deg
ω 183.001 6.347e-05 deg
M 238.434 3.059e-05 deg

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Other useful info
Absolute Magnitude (H)    16.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3695 au
Aphelion 2.9419 au
Asc. node-Earth separation 1.95198 au
Desc. node-Earth separation 1.3603 au
Earth MOID 1.36023 au
Orbital period 1580.76 days
Date of orbit computation  feb 22 02:31
Observational summary
Optical observations (Discarded) 303 (1)
Radar observations (Discarded) 0 (0)
Arc length 9095.99 days
Unobserved 397 days

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Ephemeris at epoch 60416 MJD
Right Ascension 213.148 deg
Declination -4.5318 deg
V Magnitude 20.57 mag
Solar Elongation 169.58 deg
Galactic Latitude 52.76 deg
Rate 0.225 deg/day
Direction -62.666 deg

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