Social Media Sidebar

Announcement

Please sign up, comment on articles and bring your friends!

Current poll

PlanetTech is asking:

What do you think about our new web site?

Love it, indeed
Really good solution
Same as old one
The old one was better
This is a new option

Quote of the day

'By far the greatest danger of Artificial Intelligence is that people conclude too early that they understand it'

 

Eliezer Yudkowsky

USAF junk tracking Space Fence to go live in 2017

RATE THIS! +6
Posted in Science on 29th Sep, 2012 06:24 PM by AlexMuller

The USAF began tracking stuff in orbit back in 1961, with its Air Force Space Surveillance System. The AFSSS (as it may or may not be abbreviated) is based on VHF technology, which limits the resolution of objects that can be tracked to about four inches. Space Fence, the first major component of which will be a radar post that goes live on Kwajalein Atoll in the Pacific in 2017, is going to use S-band radar to detect and track "even the smallest space objects," according to the Air Force.

 

Space Fence is called a fence because it'll form a sort of planar radar barrier stretching from east to west along the 33rd parallel from Georgia to California. Along this line, huge transmitters project massive amounts of radar energy out into space, and then radar receivers (like the one under construction at Kwajalein) track the energy reflected whenever a piece of space debris passes through the fence. Also, Space Fence is uncued, meaning that it doesn't have to know than an object exists to be able to spot and track it. This is important because when junk runs into other junk, it produces lots of baby pieces of junk that spread out every which way, and we don't always know that this happens until after the fact.

 

Tracking all of this crap is of course crucially important, since at orbital velocity, everything from screws to chips of paint can turn into projectiles capable of punching straight through the stuff that the ISS is made of. Every once in a while, the station has to fire up its engines to dodge something, and the only reason it's able to do that is because the Air Force knows what's on an intercept course.

 

Space Fence is due to come fully online with two or three radar sites sometime after 2020 for a total cost of $3.5 billion, but that's money well spent if we care about having a safe future in space.

 



Read original article » Back to category

Comments

Author: Guest
Posted: 2013-11-21
+0
ree oti 8eli 8a kani i kopela !! astin na ine sta xalia tis afou etsi i9ele .. X.A.L.I.A ise! pos 9a zeis etsi re ktirosara m? pios 9a se pari!! ksero pos se pligono alla ti ine auto ?? :// dior9ose to!! pos na dio9o9i to ekanes efige! den to pisteuo auto .. den to perimena apo esena ! pantos stenaxorieme pou se blepo etsi :( :/ Reply


 

Recent headlines

  • Posted in Hardware on 2017-03-23 21:29:30
    A brain-computer interface for controlling VR with your mind..read more
    Posted in Business on 2017-03-23 21:17:44
    One Powerful Way the U.S. Could Boost Solar Adoption..read more
    Posted in Medicine on 2017-03-23 21:12:51
    Old blood can be made young again and it might fight aging..read more
    Posted in Science on 2017-03-22 07:41:30
    'Smallsats' open up new planetary frontier..read more
    Posted in Science on 2017-03-22 07:36:45
    Trump signs NASA funding bill, sets goal of human on Mars..read more
Posted in Business on 2013-10-10 01:33
China is working towards a manned lunar mission in about.....read more
Posted in Business on 2013-10-20 07:17
Spacex says China is their main competitor for commercial.....read more
Posted in Software on 2013-10-20 06:43
Pirate Bay Browser Clocks 1,000,000 Downloads..read more
Posted in Medicine on 2013-10-10 02:10
Google reportedly investing hundreds of millions into new.....read more
Posted in Medicine on 2013-10-14 03:13
Endothelial Cells Can Repair and Regenerate Organs,.....read more
Posted in Science on 01.01.2010
Spacex says China is their main competitor for commercial.....read more
Posted in Science on 01.01.2010
Staring at Your Phone Could Be Making You Short Sighted..read more
Posted in Science on 01.01.2010
Oculus Rift virtual reality headset coming to mobile, but.....read more
Posted in Science on 01.01.2010
China is working towards a manned lunar mission in about.....read more
Posted in Science on 01.01.2010
Delivering drugs via nanoparticles to target mitochondria..read more

Recent Blog Posts

  • Posted by AlexMuller
    Intensive medical treatment can reverse type 2 diabetes..read more
    Posted by AlexMuller
    Daily consumption of tea protects the elderly from cognitive.....read more
    Posted by AlexMuller
    New analysis method of metabolites accurately predicts whether.....read more
    Posted by AlexMuller
    Unproven stem cell 'therapy' blinds three patients at Florida.....read more
    Posted by AlexMuller
    Indigenous South American group has healthiest arteries of all.....read more

Login to your Account

Login to your PlanetTech Account here

Username:
Password:
Remember me
or

Create a New Account

You just need username and password

The following errors occured:
Username:
Email:
Password:
Verify password:
Remember me