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AstDyS ∴ Objects ∴ 1997TN9 ∴ Summary
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(181777) 1997TN9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.71613 1.722e-08 au
e 0.103322 4.885e-08
i 4.056 5.549e-06 deg
Ω 217.986 7.624e-05 deg
ω 205.65 8.286e-05 deg
M 298.039 3.201e-05 deg

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Other useful info
Absolute Magnitude (H)    16.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4355 au
Aphelion 2.9968 au
Asc. node-Earth separation 1.95629 au
Desc. node-Earth separation 1.46618 au
Earth MOID 1.44961 au
Orbital period 1635.02 days
Date of orbit computation  feb 22 02:29
Observational summary
Optical observations (Discarded) 370 (3)
Radar observations (Discarded) 0 (0)
Arc length 9391.16 days
Unobserved 303 days

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Ephemeris at epoch 60418 MJD
Right Ascension 2.93112 deg
Declination 3.51861 deg
V Magnitude 22.17 mag
Solar Elongation 24.12 deg
Galactic Latitude -57.89 deg
Rate 0.44 deg/day
Direction 67.431 deg

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