This is a calculator which will let you input values to project an object into an orbit. It will calculate all of the orbit's details and show you a diagram of the shape of the orbit. (note: it assumes M1>>M2)
Note: Please make sure the preset is set to "None" before changing these values.
Velocity
m/s
km/s
km/h
cm/s
ft/s
mi/s
mi/h
mach
c
Distance
m
km
cm
ft
yd
mi
AU
LD
ly
pc
GR
Angle of projection from radius
°
Mass of Object 1
kg
g
lb
metric ton
M_Sun
M_Earth
M_Moon
M_Galaxy
Mass of Object 2
kg
g
lb
metric ton
M_Sun
M_Earth
M_Moon
M_Galaxy
Calculate
Clear
Eccentricity:
Shape:
Escape Velocity:
m/s
km/s
km/h
cm/s
ft/s
mi/s
mi/h
mach
c
Velocity required for circular orbit:
m/s
km/s
km/h
cm/s
ft/s
mi/s
mi/h
mach
c
Average Orbital Velocity:
m/s
km/s
km/h
cm/s
ft/s
mi/s
mi/h
mach
c
Orbital Period:
s
yr
mth
d
hr
min
Hyperbolic Excess Velocity:
m/s
km/s
km/h
cm/s
ft/s
mi/s
mi/h
mach
c
Semi-major Axis:
m
km
cm
ft
yd
mi
AU
LD
ly
pc
GR
Semi-minor Axis:
m
km
cm
ft
yd
mi
AU
LD
ly
pc
GR
Perihelion Distance:
m
km
cm
ft
yd
mi
AU
LD
ly
pc
GR
Aphelion Distance:
m
km
cm
ft
yd
mi
AU
LD
ly
pc
GR
Max. Orbital Velocity:
m/s
km/s
km/h
cm/s
ft/s
mi/s
mi/h
mach
c
Min. Orbital Velocity:
m/s
km/s
km/h
cm/s
ft/s
mi/s
mi/h
mach
c
Orbital Circumference:
m
km
cm
ft
yd
mi
AU
LD
ly
pc
GR