Objects in hyperbolic orbits have negative semi major axis, giving them a positive orbital energy.
2.
The companion is calculated to be a B8III-B6V star with a mass of, and its orbit has a semi major axis of 2.3 AU . Like most B [ e ] stars, 3 Pup rotates rapidly, at 30 %-60 % of the speed at which it would start to break apart.
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