Gravitational Neutral Point
Finding where Earth's and Sun's gravity balance for a rocket
Rocket Position
0 km
Earth Sun
Physics of the Neutral Point
Neutral point condition:
G·Mₛ·m/(r-x)² = G·Mₑ·m/x²
Solution:
x = r / (1 + √(Mₛ/Mₑ))
= 2.59 × 10⁸ m from Earth
G·Mₛ·m/(r-x)² = G·Mₑ·m/x²
Solution:
x = r / (1 + √(Mₛ/Mₑ))
= 2.59 × 10⁸ m from Earth
Distance from Earth
0 km
Earth's Gravity
0.00 N
Sun's Gravity
0.00 N
Net Force
0.00 N



