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AstDyS ∴ Objects ∴ 1998HJ128 ∴ Summary
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(18718) 1998HJ128  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.60465 8.723e-09 au
e 0.092803 3.478e-08
i 14.613 3.66e-06 deg
Ω 159.736 1.363e-05 deg
ω 247.857 2.329e-05 deg
M 196.287 1.789e-05 deg

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Other useful info
Absolute Magnitude (H)    13.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3629 au
Aphelion 2.8464 au
Asc. node-Earth separation 1.68539 au
Desc. node-Earth separation 1.48646 au
Earth MOID 1.40986 au
Orbital period 1535.41 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 3113 (7)
Radar observations (Discarded) 0 (0)
Arc length 12526.1 days
Unobserved 329 days

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Ephemeris at epoch 60419 MJD
Right Ascension 262.154 deg
Declination -3.7327 deg
V Magnitude 18.28 mag
Solar Elongation 124.94 deg
Galactic Latitude 16.52 deg
Rate 0.106 deg/day
Direction -7.71 deg

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