As he spoke the circle moved down until it described an equatorial orbit.

"Or the autopilot may still be holding an equatorial orbit."

In either case, the debris would eventually have settled into circular equatorial orbits.

It's in an equatorial orbit around the planet, and the ends are growing.

He focused on it but saw only a thin trace image moving in equatorial orbit.

An equatorial orbit will give you a look several times a day.

I've passed the essentials to Ticonderoga but here's our situation: we're on an equatorial orbit this time.

He had to explain equatorial orbits to her by drawing in the dust on the desk.

"If he's still in equatorial orbit, we'll have to call from my landing craft."

The Enterprise wouldn't be able to detect it from their equatorial orbit.