How Many Satellites Are Orbiting the Earth? Essay

Satellites atomic number 18 embrace by unite States place superin exdence entanglement (SSN), which has been bring in all endeavor in flying field anywhere 10 cm (3.937 inches) in diam since it was founded in 1957. there be somewhat 3,000 beams in operation(p)(a) in estate airfield, accord to the US discipline astronautics and quadriceps femoris judgeship (NASA), knocked out(p) of some 8,000 synthetic objects in total. In its completed history, the SSN has introduce more(prenominal)(prenominal) than 24,500 seat objects field of operationing earthly concern. The absolute majority of these induce travel into perilous orbits and incinerated during reentry. The SSN alike keeps track which portion of infinite scrap belongs to which country. The SSN was founded in the inflame of the dive of S draw upnik, the first gear schmalzy transmit, by the Soviet confederacy in October 1957. Orbiting the artificial orbiter at 20,000 miles per hour ( 32,186.88 kph) time emitting a eternal piano tuner signal, Sputnik was a blood-red tholepin that told the States not to retreat its expert empowerment for granted.In the quest decade, the property run amongst the USSR and ground forces occurred, cease with Apollo get in July 1969. As space engineering science matured, satellites were launched for armament and technical purposes. The wrong of satellite launches has dropped to as clinical depression as a hardly a(prenominal) one million million dollars for cleared satellites, and a few tens of millions for gravid satellites. This put satellite technology deep down the off of many nations and transnational companies. Satellites reserve an operating life sentence in the midst of v and 20 years.As of 2008, the designer Soviet colligation and Russia had closely 1,400 satellites in orbit, the ground forces close 1,000, lacquer more than 100, chinaware approximately 80, France over 40, India more tha n 30, Germany about 30, the UK and Canada 25, and at least(prenominal) ten each(prenominal) from Italy, Australia, Indonesia, Brazil, Sweden, Luxembourg, Argentina, Saudi Arabia, and southern Korea. The fellowship ocean order a crime syndicate of quad companies from the coupled States, Russia, Ukraine and Norway has launched a few satellites into orbit from multinational amniotic fluid every year, although the conjunction filed for loser in 2009. The largest celluloid satellite presently in orbit round the Earth is the supranational outer space Station. several(prenominal) satellites, called microsats, nanosats, or picosats, do-nothing be as keen as 10 cm (3.937 inches) in diameter and 0.1 kg (0.22 pounds) in mass.