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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009WC221 ∴ Orbital info ∴ Epoch epochXXX
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(312635) 2009WC221  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 312635.eq0)
Keplerian elements at epoch
58015.7 MJD
Value 1-σ variation Units
a 5.1771 1.686e-07 au
e 0.011986 7.916e-08
i 3.618 7.069e-06 deg
Ω 125.516 0.000142 deg
ω 302.45 0.000422 deg
M 225.031 0.0003944 deg
Other useful info
Absolute Magnitude (H)    14.1 mag
Slope parameter (G)    0.15 mag
Perihelion 5.115 au
Aphelion 5.2391 au
Asc. node-Earth separation 4.15724 au
Desc. node-Earth separation 4.19422 au
Earth MOID 4.12941 au
Orbital period 4302.57 days
Date of orbit computation  apr 23 20:55
Correlation matrix
1.00000000-0.365458790.016788890.00005255-0.238607900.25186232
-0.365458791.00000000-0.01593671-0.00494117-0.063418760.07375119
0.01678889-0.015936711.000000000.11769006-0.052876080.01442850
0.00005255-0.004941170.117690061.00000000-0.338716650.00301455
-0.23860790-0.06341876-0.05287608-0.338716651.00000000-0.94179646
0.251862320.073751190.014428500.00301455-0.941796461.00000000
Covariance matrix
2.84218136E-14-4.87706358E-152.00083788E-141.25768637E-15-1.69742044E-111.67446174E-11
-4.87706358E-156.26596891E-15-8.91778162E-15-5.55308193E-14-2.11831509E-122.30223295E-12
2.00083788E-14-8.91778162E-154.99721293E-111.18117374E-10-1.57725492E-104.02226884E-11
1.25768637E-15-5.55308193E-141.18117374E-102.01567339E-08-2.02920234E-081.68779276E-10
-1.69742044E-11-2.11831509E-12-1.57725492E-10-2.02920234E-081.78056343E-07-1.56719094E-07
1.67446174E-112.30223295E-124.02226884E-111.68779276E-10-1.56719094E-071.55514992E-07