Sunday , August 1 2021

SpaceX is placing a lower satellite to Earth. This reduces the amount of space waste



One of the negative consequences of finding and using the universe is the creation of cosmic garbage. Just as people behave towards the Earth, they also do in interstellar space. The space environment filled with rubbish has long been a sad reality.

SpaceX has asked the Federal Communications Commission (FCC) to change licenses to operate more than 500 Starlink satellites. SpaxeX wants to put them 600 kilometers lower than requested.

The reason is boring – space security. SpaceX said that this change would make it easier to get rid of satellites in the event of a malfunction or the end of their activity. At the same time, this change explains why two star test satellites were placed in orbit at a lower altitude than planned.

SOURCE Primal Room

The FCC approved SpaceX's license in March 2018 for the first phase of the Starlink project. He plans to release 12 thousand satellites that will provide Internet coverage in the final plan. In the original application, SpeceX FCC requested permission to launch 4,425 satellites on the orbital path at 1,111 to 1,325 kilometers. In his request for change, he now wants to reduce the orbit of 1 554 satellites from 1,100 km to 550 kilometers.

Look atSpaceX doesn't hurt the Internet. They released the first satellite

Lower altitude makes it easy to delete these satellites as soon as they are damaged, damaged, or stopped. At this height there is a stronger influence of the Earth's atmosphere. The particles have an impact on the satellite more intensely, pushing it out of orbit and down the road, causing them to get worse. Another advantage of such satellites is that they will need less.

To ensure that satellites get out of orbit, the most important thing is that Starlink plans to place several thousand. Such large networks can increase the risk of collisions. According to a recent study NASA up to 99 percent of satellites must be removed from orbit within five years of their placement in orbit.

SOURCE SpaceX

In February, SpaceX launched a pair of TinTin A and TinTin B test satellites. Their job was to test technology that would ensure Earth's reach from the Internet. They plan to release them at a distance of 511 kilometers, and after checking all the systems, they must be moved with aircraft nozzles up to 1255 km. This operation must take six months. Finally, however, the satellite does not leave a height of 500 km.

TinTin A (red), TinTin B (blue) and PAZ satellite (green) are launched with the Starlink test satellite. SOURCE Jonathan McDowel

SpaceX decided to change plans based on what they learned from the TinTin operation. "Lowland operations offer some interesting features during a nominal and unplanned scenario," the company said in a statement. This will further simplify the construction of spacecraft and reduce signal latency to only 15 milliseconds, which will "Almost nothing can be recognized by almost all users," said SpaceX.

SpaceX acknowledges that lower orbits are not the same. Because the atmosphere is denser at this altitude, satellites must try harder to stay in orbit and not start falling to Earth prematurely.

The FCC has not approved SpaceX, but the Commission's statement may be this month. SpaceX said it wanted to release the first Starlink series in 2019. If you want to comply with the FCC license, he must release at least half of the 4 425 satellites for six years.

The vision of the entire Earth is increasingly clear. Maybe for several years, the internet will be available almost anywhere, and today will be remembered with miracles – how can we be without global availability?

sourceThe Verge


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