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AstDyS ∴ Objects ∴ 1998HJ16 ∴ Summary
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(231694) 1998HJ16  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.55875 1.463e-08 au
e 0.177247 4.661e-08
i 5.49 5.829e-06 deg
Ω 87.094 6.46e-05 deg
ω 160.45 6.81e-05 deg
M 93.775 2.603e-05 deg

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Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1052 au
Aphelion 3.0123 au
Asc. node-Earth separation 1.99229 au
Desc. node-Earth separation 1.10748 au
Earth MOID 1.09221 au
Orbital period 1495 days
Date of orbit computation  feb 22 02:39
Observational summary
Optical observations (Discarded) 371 (1)
Radar observations (Discarded) 0 (0)
Arc length 9316.83 days
Unobserved 176 days

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Ephemeris at epoch 60418 MJD
Right Ascension 11.7854 deg
Declination 0.68325 deg
V Magnitude 22.03 mag
Solar Elongation 17.47 deg
Galactic Latitude -62.17 deg
Rate 0.413 deg/day
Direction 67.399 deg

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