NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998SS4 ∴ Orbital info ∴ Epoch 60400 MJD
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1998SS4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 1998SS4.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 2.27363 0.00702 au
e 0.510882 0.001562
i 9.597 0.003475 deg
Ω 180.712 0.002267 deg
ω 174.706 0.01507 deg
M 160.765 4.794 deg
Other useful info
Absolute Magnitude (H)    21.7 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.1121 au
Aphelion distance 3.4352 au
Asc. node-Earth separation 2.42384 au
Desc. node-Earth separation 0.11101 au
Earth MOID 0.10901 au
Orbital period 1252.21 days
Date of orbit computation   feb 26 10:22

Covariance matrix
4.92741272E-051.09640165E-052.43872238E-051.59115235E-05-1.05690146E-04-3.36540088E-02
1.09640165E-052.43961014E-065.42641290E-063.54048207E-06-2.35172392E-05-7.48837428E-03
2.43872238E-055.42641290E-061.20772313E-057.87248148E-06-5.23364526E-05-1.66563577E-02
1.59115235E-053.54048207E-067.87248148E-065.14020177E-06-3.41149634E-05-1.08675035E-02
-1.05690146E-04-2.35172392E-05-5.23364526E-05-3.41149634E-052.27055787E-047.21858071E-02
-3.36540088E-02-7.48837428E-03-1.66563577E-02-1.08675035E-027.21858071E-022.29855378E+01

Correlation matrix
1.000000000.999999990.999698870.99979788-0.99921453-1.00000000
0.999999991.000000000.999698240.99979762-0.99921705-0.99999998
0.999698870.999698241.000000000.99916652-0.99943442-0.99969844
0.999797880.999797620.999166521.00000000-0.99859305-0.99979824
-0.99921453-0.99921705-0.99943442-0.998593051.000000000.99921327
-1.00000000-0.99999998-0.99969844-0.999798240.999213271.00000000