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AstDyS ∴ Objects ∴ 1997TN18 ∴ Summary
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(31141) 1997TN18  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.40392 7.626e-09 au
e 0.154587 3.421e-08
i 2.94 3.891e-06 deg
Ω 109.802 7.08e-05 deg
ω 30.688 7.209e-05 deg
M 286.553 1.288e-05 deg

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Other useful info
Absolute Magnitude (H)    15.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0323 au
Aphelion 2.7755 au
Asc. node-Earth separation 1.08852 au
Desc. node-Earth separation 1.6894 au
Earth MOID 1.04655 au
Orbital period 1361.38 days
Date of orbit computation  apr 23 19:52
Observational summary
Optical observations (Discarded) 1251 (4)
Radar observations (Discarded) 0 (0)
Arc length 10590.1 days
Unobserved 86 days

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Ephemeris at epoch 60425 MJD
Right Ascension 47.9074 deg
Declination 16.0998 deg
V Magnitude 20.52 mag
Solar Elongation -15.03 deg
Galactic Latitude -35 deg
Rate 0.484 deg/day
Direction 73.559 deg

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