AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001OA21 ∴ Orbital info ∴ Epoch epochXXX
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(54855) 2001OA21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 54855.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.19438 1.748e-08 au
e 0.209111 4.324e-08
i 14.816 3.864e-06 deg
Ω 340.195 1.629e-05 deg
ω 87.21 2.056e-05 deg
M 286.646 1.005e-05 deg
Other useful info
Absolute Magnitude (H)    13.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5264 au
Aphelion 3.8624 au
Asc. node-Earth separation 2.01549 au
Desc. node-Earth separation 2.09564 au
Earth MOID 1.59322 au
Orbital period 2085.35 days
Date of orbit computation  apr 23 19:57
Correlation matrix
1.000000000.30623256-0.008635110.00318053-0.11369332-0.19942131
0.306232561.00000000-0.06474571-0.01843837-0.14266512-0.01162931
-0.00863511-0.064745711.00000000-0.237188610.168492270.03266963
0.00318053-0.01843837-0.237188611.00000000-0.75466476-0.01047582
-0.11369332-0.142665120.16849227-0.754664761.00000000-0.58155257
-0.19942131-0.011629310.03266963-0.01047582-0.581552571.00000000
Covariance matrix
3.05666189E-162.31492712E-16-5.83328165E-169.05894100E-16-4.08714368E-14-3.50552073E-14
2.31492712E-161.86949594E-15-1.08166998E-14-1.29879147E-14-1.26835648E-13-5.05561021E-15
-5.83328165E-16-1.08166998E-141.49294229E-11-1.49303509E-111.33863676E-111.26917919E-12
9.05894100E-16-1.29879147E-14-1.49303509E-112.65405158E-10-2.52795884E-10-1.71593239E-12
-4.08714368E-14-1.26835648E-131.33863676E-11-2.52795884E-104.22787853E-10-1.20228521E-10
-3.50552073E-14-5.05561021E-151.26917919E-12-1.71593239E-12-1.20228521E-101.01091477E-10