All orbits are…?
Conic sections
Name the conic sections, with respect to their eccentricity.
circular orbit, e =0
elliptic orbit, 0 < e < 1
parabolic trajectory, e = 1
hyperbolic trajectory, e > 1
How does the center of mass (CoM) move?
constant velocity along a straight line
How is the center of mass (CoM) called?
Barycenter
What is the berycentric frame?
An inertial frame with its origin in the center of mass of the system.
Escape speed?
Orbital energy - elliptic?
negative
Orbital energy - hyperbolic?
positive
Vis-viva equation
Last changed2 years ago