NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998SA15 ∴ Orbital info ∴ Epoch 57727 MJD
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(162116) 1998SA15  ▹ 
ORBITAL INFORMATION
(ASCII data file 162116.eq0)
Keplerian elements
(Epoch 57727.9 MJD)
Value 1-σ variation Units
a 1.91613 6.148e-09 au
e 0.557579 6.106e-08
i 7.1 6.03e-06 deg
Ω 114.287 9.935e-05 deg
ω 331.301 0.0001001 deg
M 280.37 8.517e-06 deg
Other useful info
Absolute Magnitude (H)    19.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8477 au
Aphelion distance 2.9845 au
Asc. node-Earth separation -0.09673 au
Desc. node-Earth separation 1.56747 au
Earth MOID 0.04584 au
Orbital period 968.805 days
Date of orbit computation   feb 26 10:20

Covariance matrix
3.78010768E-172.31781437E-16-7.00589617E-15-1.01210248E-14-3.07098316E-15-1.67348939E-14
2.31781437E-163.72776209E-15-4.35327685E-149.16446843E-14-3.88096759E-134.12502066E-14
-7.00589617E-15-4.35327685E-143.63557636E-111.18408821E-10-1.15869279E-105.85223484E-12
-1.01210248E-149.16446843E-141.18408821E-109.87091473E-09-9.88676432E-091.05353774E-10
-3.07098316E-15-3.88096759E-13-1.15869279E-10-9.88676432E-091.00164532E-08-1.69021776E-10
-1.67348939E-144.12502066E-145.85223484E-121.05353774E-10-1.69021776E-107.25446864E-11

Correlation matrix
1.000000000.61745096-0.18898397-0.01656890-0.00499078-0.31957152
0.617450961.00000000-0.118251200.01510791-0.063512460.07932302
-0.18898397-0.118251201.000000000.19765997-0.192010370.11395472
-0.016568900.015107910.197659971.00000000-0.994302430.12449978
-0.00499078-0.06351246-0.19201037-0.994302431.00000000-0.19828181
-0.319571520.079323020.113954720.12449978-0.198281811.00000000