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AstDyS ∴ Objects ∴ 1997HE9 ∴ Summary
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(39779) 1997HE9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.06735 2.046e-08 au
e 0.022998 4.401e-08
i 3.217 5.491e-06 deg
Ω 5.2 7.504e-05 deg
ω 216.495 0.0001488 deg
M 1.92 0.0001315 deg

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Other useful info
Absolute Magnitude (H)    15.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.9968 au
Aphelion 3.1379 au
Asc. node-Earth separation 2.12212 au
Desc. node-Earth separation 2.01268 au
Earth MOID 1.98866 au
Orbital period 1962.2 days
Date of orbit computation  apr 23 19:54
Observational summary
Optical observations (Discarded) 935 (3)
Radar observations (Discarded) 0 (0)
Arc length 10210.2 days
Unobserved days

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Ephemeris at epoch MJD
Right Ascension deg
Declination deg
V Magnitude mag
Solar Elongation deg
Galactic Latitude deg
Rate deg/day
Direction deg

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