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AstDyS ∴ Objects ∴ 1999TR18 ∴ Summary
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(21808) 1999TR18  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.92019 1.145e-08 au
e 0.106687 4.008e-08
i 1.79 4.156e-06 deg
Ω 7.976 9.868e-05 deg
ω 38.738 0.0001004 deg
M 303.249 1.745e-05 deg

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Other useful info
Absolute Magnitude (H)    13.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6086 au
Aphelion 3.2317 au
Asc. node-Earth separation 1.66471 au
Desc. node-Earth separation 2.15067 au
Earth MOID 1.6187 au
Orbital period 1822.7 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 2514 (16)
Radar observations (Discarded) 0 (0)
Arc length 10522 days
Unobserved 246 days

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Ephemeris at epoch 60426 MJD
Right Ascension 358.188 deg
Declination -1.39701 deg
V Magnitude 19.56 mag
Solar Elongation 38.14 deg
Galactic Latitude -60.67 deg
Rate 0.399 deg/day
Direction 66.029 deg

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