Bi-Elliptic Transfer Delta-V Calculator

Advanced Astrodynamics: Evaluate three-impulse bi-elliptic transfer maneuvers vs Hohmann transfers across intermediate apogee ratios ($r_b / r_1$).

Initial Radius $r_1$ ($10^3$ km):

Final Target Radius $r_2$ ($10^3$ km):

Intermediate Apogee Radius $r_b$ ($10^3$ km):

Bi-Elliptic $Delta v_{tot}$

-- km/s

Hohmann $Delta v_{hoh}$

-- km/s

$Delta v$ Savings

-- m/s

Flight Time Ratio

-- ×

• Burn 1 at $r_1$ ($Delta v_1$): -- km/s

• Burn 2 at $r_b$ ($Delta v_2$): -- km/s

• Burn 3 at $r_2$ ($Delta v_3$): -- km/s

• Radius Ratio ($r_2 / r_1$): -- (Crossover threshold: 11.94)

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