The orbits of Triton and Nereid and the pole orientation of Neptune from Voyager, Hubble Space Telescope, and Earth-based astrometry in 1847–2020

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Fig. 3

Differences between our new ephemerides for Triton and Nereid and the previous JPL values, NEP081 (Jacobson 2009). These differences are shown in the orbit radial (R), transverse (T), and out-of-plane (N) directions defined by, for example, Jacobson (2009).

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