Support for a prosaic explanation for the anomalous acceleration of Pioneer 10 and 11

Details Support for a prosaic explanation for the anomalous acceleration of Pioneer 10 and 11 Support for a prosaic explanation for the anomalous acceleration of Pioneer 10 and 11

2001-06-04

arxiv.org/abs/gr-qc/0106010v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

3 pages, revtex4

Scientific paper

Anderson, et al., find the measured trajectories of Pioneer 10 and 11 spacecraft deviate from the trajectories computed from known forces acting on them. This unmodelled acceleration can be accounted for by non-isotropic radiation of spacecraft heat. This explanation was first proposed by Murphy, but Anderson, et al. felt it could not explain the observed effect. This paper includes new calculations on the expected magnitude of this effect, based on the relative emissivities of the different sides of the spacecraft, as estimated from the known spacecraft construction. The calculations indicate the proposed effect can account for most, if not all, of the unmodelled acceleration.

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