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AstDyS ∴ Objects ∴ 1998HM4 ∴ Summary
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(164718) 1998HM4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 1.92007 5.036e-09 au
e 0.107122 3.904e-08
i 22.328 8.771e-06 deg
Ω 42.672 9.262e-06 deg
ω 107.11 4.429e-05 deg
M 319.368 4.133e-05 deg

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Other useful info
Absolute Magnitude (H)    17.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7144 au
Aphelion 2.1258 au
Asc. node-Earth separation 0.96909 au
Desc. node-Earth separation 0.83186 au
Earth MOID 0.79836 au
Orbital period 971.796 days
Date of orbit computation  apr 23 20:24
Observational summary
Optical observations (Discarded) 769 (2)
Radar observations (Discarded) 0 (0)
Arc length 9388.01 days
Unobserved 113 days

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Ephemeris at epoch 60427 MJD
Right Ascension 82.3493 deg
Declination 39.4373 deg
V Magnitude 21.61 mag
Solar Elongation -49.04 deg
Galactic Latitude 2.8 deg
Rate 0.584 deg/day
Direction 86.915 deg

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