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AstDyS ∴ Objects ∴ 1999TK21 ∴ Summary
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(396556) 1999TK21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 1.93219 9.35e-09 au
e 0.115584 1.152e-07
i 19.632 1.389e-05 deg
Ω 23.184 1.589e-05 deg
ω 311.657 4.217e-05 deg
M 82.193 3.981e-05 deg

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Other useful info
Absolute Magnitude (H)    18.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7089 au
Aphelion 2.1555 au
Asc. node-Earth separation 0.7743 au
Desc. node-Earth separation 1.06231 au
Earth MOID 0.74392 au
Orbital period 981.005 days
Date of orbit computation  feb 22 03:14
Observational summary
Optical observations (Discarded) 299 (1)
Radar observations (Discarded) 0 (0)
Arc length 8828.72 days
Unobserved 132 days

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Ephemeris at epoch 60419 MJD
Right Ascension 54.7502 deg
Declination 31.0406 deg
V Magnitude 22.51 mag
Solar Elongation -32.43 deg
Galactic Latitude -19.42 deg
Rate 0.552 deg/day
Direction 73.216 deg

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