User:JohnOwens/Orbital variables
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[edit] From external pages
How the variables are used (& re-used) on some of the pages I refer to.
[edit] Mars Academy
Kind of cheesy name, but what the heck.
F | force |
m1,m2 | mass of objects 1 & 2 |
G | gravitational constant |
d | distance (scalar) |
r | distance (scalar) |
displacement (vector) | |
μ | |
Ke | kinetic energy |
W | work |
Pe | potential energy |
Fg | gravitational force |
E | mechanical energy |
arbitrary vectors | |
A,B | their magnitudes |
α | the angle between and |
β | complement of α |
velocity, | |
v | speed |
t | time |
k | specific mechanical energy |
momentum | |
angular momentum | |
specific angular momentum, | |
arbitrary vectors | |
vector constant of integration | |
γ | angle between and |
p | semilatus rectum |
a | semimajor axis |
c | (distance between foci)/2 |
d | directrix of a conic section |
x | distance between directrix and focus |
θ | angle to |
e | eccentricity |
rp,ra | distance at periapsis and apoapsis |
vp,va | velocity/speed at periapsis and apoapsis |
[edit] World of Physics
m1,m2 | mass of objects 1 & 2 |
M | m1 + m2 |
radius of objects 1 & 2 | |
μ | reduced mass |
displacement from body 1 to body 2, | |
momentum | |
a | distance between bodies, r1 + r2 |
G | gravitational constant |
angular momentum, | |
angular momentum per mass, | |
h | magnitude of |
θ | angle from arbitrary direction |
A | area |
t | time |
E | orbital energy |
specific energy | |
Laplace-Runge-Lenz vector, | |
e | eccentricity |
v | velocity/speed |
p | semilatus rectum |
u | |
B | arbitrary constant |
θ0 | arbitrary constant |
a | semimajor axis |
θ0 | argument of pericenter |