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AstDyS ∴ Objects ∴ 1998TL31 ∴ Summary
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(173221) 1998TL31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.61134 1.184e-08 au
e 0.299113 4.096e-08
i 2.212 4.972e-06 deg
Ω 346.856 0.0001099 deg
ω 62.657 0.0001104 deg
M 354.042 9.84e-06 deg

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Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8303 au
Aphelion 3.3924 au
Asc. node-Earth separation 1.08374 au
Desc. node-Earth separation 1.76442 au
Earth MOID 0.84212 au
Orbital period 1541.32 days
Date of orbit computation  feb 22 02:27
Observational summary
Optical observations (Discarded) 654 (4)
Radar observations (Discarded) 0 (0)
Arc length 9186.97 days
Unobserved 112 days

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Ephemeris at epoch 60398 MJD
Right Ascension 24.7067 deg
Declination 11.4868 deg
V Magnitude 20.71 mag
Solar Elongation -18.65 deg
Galactic Latitude -49.71 deg
Rate 0.629 deg/day
Direction 68.277 deg

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