Gps Satellite Orbit Altitude

Each satellite circles the earth twice a day.

Gps satellite orbit altitude.

In practice only 1 1 ratio geosynchronous and 1 2 ratios semi synchronous are common. A low earth orbit leo is an earth centred orbit with an altitude of 2 000 km 1 200 mi or less approximately one third of the radius of earth or with at least 11 25 periods per day an orbital period of 128 minutes or less and an eccentricity less than 0 25. The global positioning system gps originally navstar gps is a satellite based radionavigation system owned by the united states government and operated by the united states space force. Constellation arrangement gps satellites fly in medium earth orbit meo at an altitude of approximately 20 200 km 12 550 miles.

Well it depends on the accuracy or precision you want to know. In september 2016 the air force awarded lockheed martin a contract option for two more block iiia satellites setting the total number of gps iiia satellites to ten. To ensure this commitment the air force has been flying 31 operational gps satellites for the past few years. The gps 3 sv04 satellite separates from the falcon 9 rocket in an elliptical transfer orbit with an apogee or high point near the altitude of the gps fleet located around 12 550 miles 22 200.

There is a large variety of other sources that define leo in terms of. Same for glonass and galileo. This means the track of the satellite as seen from the central body will repeat exactly after a fixed number of orbits. Gps block iiia is the first series of third generation gps satellites incorporating new signals and broadcasting at higher power levels.

On 23 december 2018 the first gps iii satellite was launched aboard a spacex falcon 9 full. Most of the manmade objects in outer space are in leo.