AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999XJ57 ∴ Summary
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(121680) 1999XJ57  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.11404 2.933e-08 au
e 0.193654 7.634e-08
i 2.377 5.458e-06 deg
Ω 106.877 0.0002111 deg
ω 311.436 0.0002136 deg
M 168.309 2.932e-05 deg

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Other useful info
Absolute Magnitude (H)    15.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.511 au
Aphelion 3.7171 au
Asc. node-Earth separation 1.67206 au
Desc. node-Earth separation 2.42103 au
Earth MOID 1.52337 au
Orbital period 2007.18 days
Date of orbit computation  Oct 31 06:13
Observational summary
Optical observations (Discarded) 394 (9)
Radar observations (Discarded) 0 (0)
Arc length 6726.99 days
Unobserved 279 days

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Ephemeris at epoch 58504 MJD
Right Ascension 252.997 deg
Declination -21.0976 deg
V Magnitude 22.64 mag
Solar Elongation 46.23 deg
Galactic Latitude 14.44 deg
Rate 0.266 deg/day
Direction 96.595 deg

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