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AstDyS ∴ Objects ∴ 1998HJ54 ∴ Summary
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(37957) 1998HJ54  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.74671 1.239e-08 au
e 0.12623 3.151e-08
i 8.293 3.992e-06 deg
Ω 215.902 2.509e-05 deg
ω 78.271 3.031e-05 deg
M 174.822 1.683e-05 deg

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Other useful info
Absolute Magnitude (H)    14.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4 au
Aphelion 3.0934 au
Asc. node-Earth separation 1.62886 au
Desc. node-Earth separation 1.78176 au
Earth MOID 1.40101 au
Orbital period 1662.72 days
Date of orbit computation  apr 23 19:54
Observational summary
Optical observations (Discarded) 2029 (9)
Radar observations (Discarded) 0 (0)
Arc length 12171.8 days
Unobserved 101 days

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Ephemeris at epoch 60427 MJD
Right Ascension 98.1233 deg
Declination 15.9272 deg
V Magnitude 20.6 mag
Solar Elongation -61.24 deg
Galactic Latitude 3.12 deg
Rate 0.28 deg/day
Direction 88.757 deg

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