Table 3

Orbital parameters of Proxima.

Parameter Value Unit

Semi-major axis a kau
Eccentricity e
Period P ka
Inclination i deg
Longitude of asc. node Ω deg
Argument of periastron ω deg
Epoch of periastron T0a ka

Periastron radius kau
Apastron radius kau



The epoch of periastron passage T0 is relative to present.

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