AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009QH21 ∴ Orbital info ∴ Epoch epochXXX
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(372390) 2009QH21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 372390.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.49371 1.5e-08 au
e 0.200379 8.491e-08
i 4.048 8.536e-06 deg
Ω 351.216 6.151e-05 deg
ω 3.745 6.294e-05 deg
M 239.626 1.194e-05 deg
Other useful info
Absolute Magnitude (H)    17.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.994 au
Aphelion 2.9934 au
Asc. node-Earth separation 0.98933 au
Desc. node-Earth separation 1.99839 au
Earth MOID 0.98922 au
Orbital period 1438.36 days
Date of orbit computation  apr 23 21:08
Correlation matrix
1.000000000.331444520.014049030.01854355-0.02171515-0.42652504
0.331444521.000000000.001540200.013727250.00592742-0.28621612
0.014049030.001540201.000000000.28638227-0.27830467-0.00993648
0.018543550.013727250.286382271.00000000-0.97490363-0.00319188
-0.021715150.00592742-0.27830467-0.974903631.00000000-0.18844805
-0.42652504-0.28621612-0.00993648-0.00319188-0.188448051.00000000
Covariance matrix
2.24893674E-164.22060010E-161.79837592E-151.71053997E-14-2.04955981E-14-7.63631577E-14
4.22060010E-167.21023608E-151.11634095E-157.16985030E-143.16774325E-14-2.90147982E-13
1.79837592E-151.11634095E-157.28602785E-111.50363814E-10-1.49511671E-10-1.01257810E-12
1.71053997E-147.16985030E-141.50363814E-103.78358568E-09-3.77418046E-09-2.34395247E-12
-2.04955981E-143.16774325E-14-1.49511671E-10-3.77418046E-093.96112339E-09-1.41596188E-10
-7.63631577E-14-2.90147982E-13-1.01257810E-12-2.34395247E-12-1.41596188E-101.42528412E-10