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AstDyS ∴ Objects ∴ 1998JH4 ∴ Summary
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(40027) 1998JH4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.69211 1.313e-08 au
e 0.045226 3.279e-08
i 3.74 3.535e-06 deg
Ω 85.434 6.882e-05 deg
ω 208.266 8.871e-05 deg
M 253.058 5.446e-05 deg

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Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5704 au
Aphelion 2.8139 au
Asc. node-Earth separation 1.81466 au
Desc. node-Earth separation 1.5678 au
Earth MOID 1.55469 au
Orbital period 1613.38 days
Date of orbit computation  feb 22 01:58
Observational summary
Optical observations (Discarded) 1386 (9)
Radar observations (Discarded) 0 (0)
Arc length 9382.07 days
Unobserved 87 days

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Ephemeris at epoch 60419 MJD
Right Ascension 176.345 deg
Declination 7.5012 deg
V Magnitude 19.36 mag
Solar Elongation -144.2 deg
Galactic Latitude 64.89 deg
Rate 0.13 deg/day
Direction -77.848 deg

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