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AstDyS ∴ Objects ∴ 1998HE2 ∴ Summary
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(58818) 1998HE2  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.06689 1.525e-08 au
e 0.047249 3.782e-08
i 10.435 4.939e-06 deg
Ω 62.101 2.367e-05 deg
ω 49.227 6.218e-05 deg
M 37.122 5.685e-05 deg

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Other useful info
Absolute Magnitude (H)    14.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.922 au
Aphelion 3.2118 au
Asc. node-Earth separation 1.98201 au
Desc. node-Earth separation 2.14481 au
Earth MOID 1.95105 au
Orbital period 1961.76 days
Date of orbit computation  feb 22 02:02
Observational summary
Optical observations (Discarded) 1794 (7)
Radar observations (Discarded) 0 (0)
Arc length 9444.26 days
Unobserved 77 days

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Ephemeris at epoch 60418 MJD
Right Ascension 142.972 deg
Declination 27.7096 deg
V Magnitude 19.26 mag
Solar Elongation -107.8 deg
Galactic Latitude 46.03 deg
Rate 0.115 deg/day
Direction 144.008 deg

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