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AstDyS ∴ Objects ∴ 1999AX21 ∴ Summary
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(17876) 1999AX21  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.31361 9.933e-09 au
e 0.069208 4.049e-08
i 4.48 3.929e-06 deg
Ω 278.531 5.911e-05 deg
ω 325.314 6.767e-05 deg
M 116.589 3.29e-05 deg

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Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1535 au
Aphelion 2.4737 au
Asc. node-Earth separation 1.16092 au
Desc. node-Earth separation 1.45723 au
Earth MOID 1.14021 au
Orbital period 1285.38 days
Date of orbit computation  Oct 31 05:07
Observational summary
Optical observations (Discarded) 1540 (11)
Radar observations (Discarded) 0 (0)
Arc length 17408.3 days
Unobserved 94 days

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Ephemeris at epoch 58504 MJD
Right Ascension 8.96667 deg
Declination 8.0433 deg
V Magnitude 19.55 mag
Solar Elongation -71.07 deg
Galactic Latitude -54.63 deg
Rate 0.347 deg/day
Direction 71.162 deg

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