NEODyS-2

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NEODyS ∴ Objects ∴ Hephaistos ∴ Orbital info ∴ Epoch 59600 MJD
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(2212) Hephaistos  ▹ 
ORBITAL INFORMATION
(ASCII data file 2212.eq1)
Keplerian elements
(Epoch 59600.0 MJD)
Value 1-σ variation Units
a 2.15953 6.581e-09 au
e 0.837361 2.71e-08
i 11.543 5.663e-06 deg
Ω 27.513 1.748e-05 deg
ω 209.413 1.734e-05 deg
M 235.31 6.82e-06 deg
Other useful info
Absolute Magnitude (H)    13.3 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.3512 au
Aphelion distance 3.9678 au
Asc. node-Earth separation 1.38985 au
Desc. node-Earth separation -0.63027 au
Earth MOID 0.116 au
Orbital period 1159.15 days
Date of orbit computation   apr 29 12:17

Covariance matrix
4.33090337E-17-1.78310774E-17-3.27875941E-15-1.25605930E-141.57072005E-14-3.76653003E-14
-1.78310774E-177.34669154E-162.16890361E-143.68932760E-14-4.46098892E-14-3.51056861E-16
-3.27875941E-152.16890361E-143.20734904E-115.51354529E-11-5.36784771E-11-1.47079334E-12
-1.25605930E-143.68932760E-145.51354529E-113.05385054E-10-2.98826362E-101.55973427E-12
1.57072005E-14-4.46098892E-14-5.36784771E-11-2.98826362E-103.00585683E-10-8.15844173E-12
-3.76653003E-14-3.51056861E-16-1.47079334E-121.55973427E-12-8.15844173E-124.65116398E-11

Correlation matrix
1.00000000-0.09996373-0.08797255-0.109218700.13766559-0.83921138
-0.099963731.000000000.141293190.07788923-0.09492948-0.00189911
-0.087972550.141293191.000000000.55710101-0.54669226-0.03808007
-0.109218700.077889230.557101011.00000000-0.986304180.01308717
0.13766559-0.09492948-0.54669226-0.986304181.00000000-0.06899891
-0.83921138-0.00189911-0.038080070.01308717-0.068998911.00000000