He told me to fall out to him at a greater than orbital speed.
Now they were well below orbital speed, falling under the influence of the planet.
But the tether kept them at the same orbital speed as the station.
The orbital speed of a body in a gravitational field.
Scott's body penetrated it at the same orbital speed, but he felt no wind.
Yet those rocks are forced to move at the same orbital speed.
You don't need as much fuel to send a spacecraft to orbital speed.
Bring all forward batteries to bear, and reduce orbital speed.
Before, the ship had possessed an orbital speed of a shade over 1,470 miles an hour.
But it had the Platform's 12,000 miles per hour of orbital speed.
What we have to do is slow our orbital velocity.
He was falling free, all his enormous orbital velocity destroyed.
But, because of it's great mass, our orbital velocity is something terrific!
Our orbital velocity is seven hundred thousand kilometers per second!
That's close enough to orbital velocity at the other end.
The engines cut out as the ship reached orbital velocity.
The orbital velocity of each planet varies according to their size and location.
On Kzin, low orbital velocity was around six miles per second.
When we reached orbital velocity the computer brought back the power.
We were so close to orbital velocity that he was easy to hoist.
Wörterbuch für astronautische Begriffe