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Quando usar o Apollo Free-Return Trajectory 3D Explorer
Abra o Apollo Free-Return Trajectory 3D Explorer quando precisar comparar free-return e hybrid no sobrevoo lunar - sem um projetista patched-conic.
Licao de seguranca da tripulacao
Comece em Free-return, va ate o sobrevoo e mude para Hybrid para mostrar por que a Apollo 13 precisou da queima DPS-1 de 34.23 s apos a falha do tanque de oxigenio.
Figuras de distancia da Apollo 13
Aqui cabem 400,171 km no PC, ~250 km de altitude lunar no free-return restaurado e ~2,500 nmi de perigeu hybrid sem captura.
Quando este explorador nao serve
Nao use para transferencias Hohmann de duas queimas. Veja o Hohmann Transfer 3D Explorer. Controles no guia passo a passo.
Numeros publicados
| Figure | Value |
|---|---|
| Early Apollo free-return PC | ~110 km (~60 nmi) |
| Apollo 13 restored free-return PC | ~250 km (~135 nmi) |
| Furthest from Earth (Apollo 13 PC) | 400,171 km |
| Pre-restore hybrid Earth perigee | ~2,500 nmi |
| DPS-1 restore burn | 34.23 s at GET 61:29:43 |
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