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AstDyS ∴ Objects ∴ 1999TD139 ∴ Summary
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(121408) 1999TD139  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.68784 2.214e-08 au
e 0.070577 6.936e-08
i 2.575 7.781e-06 deg
Ω 11.212 0.0001388 deg
ω 342.072 0.0001465 deg
M 139.618 4.939e-05 deg

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Other useful info
Absolute Magnitude (H)    16.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4981 au
Aphelion 2.8775 au
Asc. node-Earth separation 1.50587 au
Desc. node-Earth separation 1.86598 au
Earth MOID 1.49209 au
Orbital period 1609.54 days
Date of orbit computation  Oct 31 06:12
Observational summary
Optical observations (Discarded) 312 (3)
Radar observations (Discarded) 0 (0)
Arc length 6666.12 days
Unobserved 382 days

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Ephemeris at epoch 58506 MJD
Right Ascension 175.648 deg
Declination 3.88731 deg
V Magnitude 20.83 mag
Solar Elongation 127.93 deg
Galactic Latitude 61.53 deg
Rate 0.034 deg/day
Direction -67.229 deg

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