Period
Given the orbital eccentricity of this object, different epochs can generate quite different heliocentric unperturbed two-body best-fit solutions to the aphelion distance (maximum distance) of this object. For objects at such high eccentricity, the Suns barycentric coordinates are more stable than heliocentric coordinates. Using JPL Horizons the barycentric orbital elements for epoch 2011-Jan-01 generate a semi-major axis of 537 AU and a period of approximately 12,500 years. This gives it a barycentric orbital period just a little larger than Sedna.
Read more about this topic: Comet Machholz
Famous quotes containing the word period:
“There is a period in the history of the individual, as of the race, when the hunters are the “best men,” as the Algonquins called them.”
—Henry David Thoreau (1817–1862)
“After all, the practical reason why, when the power is once in the hands of the people, a majority are permitted, and for a long period continue, to rule is not because they are most likely to be in the right, nor because this seems fairest to the minority, but because they are physically the strongest. But a government in which the majority rule in all cases cannot be based on justice, even as far as men understand it.”
—Henry David Thoreau (1817–1862)
“The production of obscurity in Paris compares to the production of motor cars in Detroit in the great period of American industry.”
—Ernest Gellner (b. 1925)