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Space Propulsion - IAP/TU Wien

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<strong>Space</strong> <strong>Propulsion</strong><br />

r<br />

=<br />

1+<br />

1+<br />

h<br />

2<br />

/ μ<br />

2ε<br />

. h<br />

2<br />

μ<br />

2<br />

.cosθ<br />

a<br />

μ<br />

= −<br />

2ε<br />

ε =<br />

2ε.<br />

h<br />

1+<br />

2<br />

μ<br />

2<br />

2<br />

p = h / μ<br />

geometric parameters of orbit can<br />

be derived from kinetic parameters<br />

of motion<br />

specific<br />

energy<br />

ε > 0 → hyperbola<br />

specific<br />

energy<br />

ε = 0 →<br />

parabola<br />

specific<br />

energy<br />

ε < 0 → ellipse<br />

type of conics dependent<br />

on total energy

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