Hohmann Transfer Delta-V Calculator

Orbital Mechanics & Astrodynamics: Compute two-impulse Hohmann transfer $\Delta v_1$, $\Delta v_2$, total $\Delta v$, time of flight ($t_{tx}$), and rendezvous phase angle ($\phi$).

Primary Body & Orbit Altitudes

Primary Gravitational Body:

Initial Orbit Altitude $h_1$ (km):

Target Orbit Altitude $h_2$ (km):

Spacecraft Wet Mass $m_0$ (kg):

Transfer Delta-V & Time of Flight

Total Delta-V ($Delta v_{tot}$)

-- m/s

Time of Flight ($t_{tx}$)

-- hrs

First Burn ($Delta v_1$)

-- m/s

Circularization ($Delta v_2$)

-- m/s

Orbital Trajectory & Phase Geometry

• Transfer Ellipse Semi-Major Axis ($a_{tx}$): -- km

• Transfer Orbit Eccentricity ($e_{tx}$): --

• Required Rendezvous Lead Phase Angle: --°

• Initial Circular Velocity ($v_{c1}$): -- km/s

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Hohmann Transfer Delta-V Calculator

Primary Body & Orbit Altitudes

Transfer Delta-V & Time of Flight

Orbital Trajectory & Phase Geometry

Frequently Asked Questions