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AstDyS ∴ Objects ∴ 1999JH57 ∴ Summary
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(38139) 1999JH57  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.42443 7.374e-09 au
e 0.221047 3.546e-08
i 3.445 3.847e-06 deg
Ω 124.343 5.865e-05 deg
ω 192.4 5.925e-05 deg
M 154.881 7.636e-06 deg

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Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8885 au
Aphelion 2.9603 au
Asc. node-Earth separation 1.9568 au
Desc. node-Earth separation 0.88125 au
Earth MOID 0.87496 au
Orbital period 1378.84 days
Date of orbit computation  apr 23 19:54
Observational summary
Optical observations (Discarded) 1778 (9)
Radar observations (Discarded) 0 (0)
Arc length 12005.8 days
Unobserved 85 days

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Ephemeris at epoch 60426 MJD
Right Ascension 107.303 deg
Declination 22.5058 deg
V Magnitude 20.9 mag
Solar Elongation -70.03 deg
Galactic Latitude 13.78 deg
Rate 0.259 deg/day
Direction 94.658 deg

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