AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Polana ∴ Summary
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(142) Polana  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.41864 6.522e-09 au
e 0.135034 3.413e-08
i 2.238 3.387e-06 deg
Ω 291.239 9.558e-05 deg
ω 292.109 9.66e-05 deg
M 350.478 1.633e-05 deg

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Other useful info
Absolute Magnitude (H)    10.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.092 au
Aphelion 2.7452 au
Asc. node-Earth separation 1.2427 au
Desc. node-Earth separation 1.51676 au
Earth MOID 1.08285 au
Orbital period 1373.9 days
Date of orbit computation  Oct 31 04:54
Observational summary
Optical observations (Discarded) 2826 (75)
Radar observations (Discarded) 0 (0)
Arc length 43934.4 days
Unobserved 133 days

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Ephemeris at epoch 58444 MJD
Right Ascension 227.457 deg
Declination -19.1563 deg
V Magnitude 14.67 mag
Solar Elongation 9.18 deg
Galactic Latitude 32.85 deg
Rate 0.557 deg/day
Direction 105.301 deg

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