AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Polana ∴ Summary
Contact »
(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

More info »
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 253 days

More info »
Ephemeris at epoch 58564 MJD
Right Ascension 294.027 deg
Declination -22.4839 deg
V Magnitude 14.92 mag
Solar Elongation 68.72 deg
Galactic Latitude -19.49 deg
Rate 0.424 deg/day
Direction 79.777 deg

More info »





This Web Site has been visited 93159 times since

and this Page has been visited 578 times since 2011/10/26