AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1997WA31 ∴ Orbital info ∴ Epoch epochXXX
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(22507) 1997WA31  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 22507.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.43195 7.929e-09 au
e 0.173142 3.644e-08
i 3.428 3.807e-06 deg
Ω 71.481 6.097e-05 deg
ω 217.642 6.175e-05 deg
M 92.994 1.055e-05 deg
Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0109 au
Aphelion 2.853 au
Asc. node-Earth separation 1.74853 au
Desc. node-Earth separation 1.06059 au
Earth MOID 0.99566 au
Orbital period 1385.25 days
Date of orbit computation  apr 23 19:50
Correlation matrix
1.000000000.176977260.000179770.00519178-0.02646317-0.23067101
0.176977261.00000000-0.009261360.00823917-0.01127108-0.06772653
0.00017977-0.009261361.000000000.09573819-0.09318544-0.00331791
0.005191780.008239170.095738191.00000000-0.98479512-0.00441929
-0.02646317-0.01127108-0.09318544-0.984795121.00000000-0.15263505
-0.23067101-0.06772653-0.00331791-0.00441929-0.152635051.00000000
Covariance matrix
6.28665960E-175.11282640E-175.42632207E-182.50995999E-15-1.29561417E-14-1.93004198E-14
5.11282640E-171.32759992E-15-1.28465284E-151.83045019E-14-2.53584749E-14-2.60409114E-14
5.42632207E-18-1.28465284E-151.44928799E-112.22230248E-11-2.19053009E-11-1.33292476E-13
2.50995999E-151.83045019E-142.22230248E-113.71775861E-09-3.70774875E-09-2.84352162E-12
-1.29561417E-14-2.53584749E-14-2.19053009E-11-3.70774875E-093.81283164E-09-9.94584834E-11
-1.93004198E-14-2.60409114E-14-1.33292476E-13-2.84352162E-12-9.94584834E-111.11359562E-10