AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009XM21 ∴ Orbital info ∴ Epoch epochXXX
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(346921) 2009XM21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 346921.eq0)
Keplerian elements at epoch
58061.6 MJD
Value 1-σ variation Units
a 2.76824 2.634e-08 au
e 0.02554 5.478e-08
i 5.491 5.653e-06 deg
Ω 101.686 8.216e-05 deg
ω 0.14 0.0001868 deg
M 255.897 0.0001674 deg
Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6975 au
Aphelion 2.8389 au
Asc. node-Earth separation 1.71464 au
Desc. node-Earth separation 1.82373 au
Earth MOID 1.71464 au
Orbital period 1682.3 days
Date of orbit computation  Jul 26 10:21
Correlation matrix
1.00000000-0.39244038-0.004275660.005769560.00539363-0.01030160
-0.392440381.00000000-0.00027169-0.00616413-0.010657220.01655177
-0.00427566-0.000271691.00000000-0.039652190.01919641-0.00137923
0.00576956-0.00616413-0.039652191.00000000-0.43140968-0.00703526
0.00539363-0.010657220.01919641-0.431409681.00000000-0.89873027
-0.010301600.01655177-0.00137923-0.00703526-0.898730271.00000000
Covariance matrix
6.93837957E-16-5.66322025E-16-6.36665096E-161.24867092E-142.65444512E-14-4.54354414E-14
-5.66322025E-163.00138341E-15-8.41434852E-17-2.77465420E-14-1.09085824E-131.51832911E-13
-6.36665096E-16-8.41434852E-173.19564363E-11-1.84171617E-112.02750983E-11-1.30549693E-12
1.24867092E-14-2.77465420E-14-1.84171617E-116.75075892E-09-6.62262287E-09-9.67870103E-11
2.65444512E-14-1.09085824E-132.02750983E-11-6.62262287E-093.49082180E-08-2.81160333E-08
-4.54354414E-141.51832911E-13-1.30549693E-12-9.67870103E-11-2.81160333E-082.80363631E-08