en.wikipedia.org/wiki/Orbit

In physics, an orbit is the gravitationally curved path of an object around a point in
space, for ... To a close approximation, planets and satellites follow elliptical
orbits, with the central mass...

www.physicsclassroom.com/class/circles/Lesson-4/Mathematics-of-Satellite-Motion

Since the logic behind the development of the equation has been presented
elsewhere, only the equation will be presented here. The period of a satellite (T)
...

www.physicsclassroom.com/calcpad/circgrav

The time for one revolution around the circle is referred to as the period and
denoted ... Since orbiting satellites are acted upon solely by the force of gravity,
their ... The acceleration of gravity depends upon the mass of the object which is
at the ...

www.dummies.com/education/science/physics/how-to-calculate-a-satellites-speed-around-the-earth/

Thanks to physics, if you know the mass and altitude of a satellite in orbit around
... above the surface, its orbit decays appreciably each time it circles the Earth.

www.astronomynotes.com/gravappl/s8.htm

May 18, 2010 ... This means that satellites orbiting the Earth must be feeling some force that ...
Your answer does not depend on which planet you choose to use (here you used
the ... The orbital period is the time it takes the object to travel the ...

tornado.sfsu.edu/geosciences/classes/m407_707/Monteverdi/Satellite/PolarOrbiter/Polar_Orbits.html

These satellites, termed Polar Orbiting Environmental Satelliites (POES) are ...
Map of the ground path of one revolution of a typical near-polar orbiting satellite.
... a way as to ensure the observation of any point on the Earth within a certain
time period. Most of the near polar meteorological satellites ensure complete
global ...

www.ux1.eiu.edu/~cfadd/1150/05UCMGrav/Sat.html

A satellite remains in orbit because this force of gravity provides the centripetal ...
But it is also interesting -- and fairly easy -- to extend this and calculate the orbital
period -- the time necessary for one orbit. ... How long does it take to make one
orbit? ... The exact speed depends on the Shuttle's orbital altitude, whic...

earthobservatory.nasa.gov/Features/OrbitsCatalog/page2.php

Different orbits give satellites different vantage points for viewing Earth. ... orbit
takes 12 hours to complete its orbit, but it spends about two-thirds of that time ...
The satellite's inclination depends on what the satellite was launched to monitor.
... In a 24-hour period, polar orbiting satellites will view most of the Earth...

www.farmingdale.edu/faculty/peter-nolan/pdf/UPCh10.pdf

Chapter 10 Gravitation - Planetary and Satellite Motion. 10-2 figure 10.1. .... It will
take a relatively long time for the masses to come together because the force .....
The square of the time for the planet to make a complete revolution about the ...
depends only on the radius of the orbit r, and the mass ms of the sun. For large.

scienceline.ucsb.edu/getkey.php?key=115

So, to measure the mass of a planet, you can measure the periods and radii of
the orbits ... and it depends on the masses of the two objects and on their
distance apart. .... T is the period (the time it takes the moon to make one full orbit
around the ... to do it is to measure the orbit of something around the planet, like a
satellit...