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site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. won't be able to see anything, but seeing through buildings isn't a problem. A few non-military satellites can see objects down to about half the size of a car. It seems to be based on the Lockheed KH-11 which was manufactured between 1976-1990. The US has 123 military satellites. Favorite Answer. The interferometer arrays you speak of are fixed earthside installations. Still have questions? When you say "at least 10 cm" does that mean "no smaller than 10 cm", or "at least as good as 10 cm" i.e. long enough to touch the ground. Just another example that privacy is dead. Spy satellites can pick up infrared and ultraviolet as well. In the Navy, what will engineering and a second language get me? Los Angeles Times. rev 2021.1.8.38287, The best answers are voted up and rise to the top, Skeptics Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us, Is technology really advanced enough to monitor. The initial satellites to be launched were named Discoverer and were used to observe the Earth and take pictures. if they couldn't see the ground what use would they have? (Resolution of a Spy Satellite, The Physics Factbook™; Edited by Glenn Elert -- Written by his students). There are many kinds of satellites available; communication satellite is maybe the most significant space capability for armed forces, letting for true time command and control of militarie… http://hypertextbook.com/facts/2001/JeannelleLouis.shtml, http://www.msnbc.msn.com/id/3077885/ns/technology_and_science-space/t/spy-satellites-enter-new-dimension/, en.wikipedia.org/wiki/Astronomical_interferometer, Universe Today: Thanks to Trump, We’ve Got a Better Idea of the Capabilities of US Surveillance Satellites, Scott Manley: What A Tweet Tells Us About US Spy Satellites, http://www.iipl.fudan.edu.cn/~zhangjp/publications/ICME2009.pdf. Why do we use approximate in the present and estimated in the past? You can sign in to vote the answer. Day); now saved at http://www.c4i.org/spysats.html, (Dwayne Day is a space policy analyst and historian who lives in Northern Virginia. I presume that these resolutions imply a stationary object? SpaceX to build military satellites. And while they cannot hover over an area and provide real-time images, other “assets” such as unmanned aerial vehicles, also known as drones, can do that. By default, satellites are only shown if they reach a maximum brightness of 4th magnitude. A spy satellite can see airplanes crossing the border of a country, the polluting of a river by local companies, and the presence of illegal marijuana fields. Select any Military satellite listed to learn additional details, perform live tracking or see satellite's passes visible from your location. The military’s reliance on satellites makes them a liability. And on what scale? Please note that in addition to classified proprietary tech, the modern movenet is towards using commercial capabilities. For most applications we need to see larger areas, which requires other satellites that observe at a different scale. A large satellite traveling in low earth orbit is easy to kill when a war begins, so you may want a smaller and less eye-catching one. Spy Satellites: Still a Few Steps Ahead. They're probably watching us, as we speak! The black and white images are used by the military and civilian communities. Ground resolution for pictures taken from this satellite would be a remarkable 9.75 inches. http://www.msnbc.msn.com/id/22046019/ns/technology_and_science-space/t/us-plans-next-gen-spy-satellite-program/. Are blue light filters, not blue lights, on phones and computer screens harmful to sleep? I'd be a bit suprised if our best optics of today had that capability, let alone soviet technology of that era. By Sarah Parcak Dr. Parcak is an archaeologist and remote-sensing expert. You don't need satellites to have a drone over a city which can pretty much see everything at once. They can monitor areas in real time if there's a satellite overhead, and the cloud cover/weather permits it. I am a beginner to commuting by bike and I find it very tiring. Source: Satellites System Overview Articles. Do I have to include my pronouns in a course outline? The Royal Navy's Project Moonraker could see spy military spy satellites launched into space from Cornwall. Though in proper conspiratorial bent I'd have to "not put it past" the US spy industry to take that picture from a helicopter and claim it was from a Soviet satellite to get a better budget. While they cannot tell a mullah by the length of his beard, they can help analysts figure out how many people are chanting along with him at a street demonstration. Satellite has been utilized during the war period to assist with tracking the whereabouts of the enemies and actions while also keeping in touch with the superiors and soldiers. I wonder could one leak a time schedule so when a satellite will pass over an area people could stay is side so as not be photographed without their consent. The first military use of satellites was for reconnaissance. They are known in the spy trade as “Keyhole-class” satellites. Can an electron and a proton be artificially or naturally merged to form a neutron? What are the odds of an upcoming cival war? Yeah, it's amazing and scary how powerful spy technology has become. They could read vehicle license plates and discern facial expressions back in the 90's. 'Buckle up,' ex-DHS chief warns after Capitol attack, Pelosi: House 'will proceed' to impeachment of Trump, Pro trainer banned for giving horse a racist name, Kamala Harris's new Vogue cover shoot is causing a stir, Coach K on 'insurrection': 'They need to be prosecuted', John Reilly, 'General Hospital' alum, dies at 84, Employers fire workers identified as Capitol rioters, In Dec. call, Trump pressured Ga. official to 'find the fraud', Star golfer apologizes after muttering antigay slur, Couple who won $1M lotto gave $1K to grocery workers, Police: Man shoots 7 in series of Chicago-area attacks. You must assume that all movement is tracked as well as all digital data transactions over networks. Why does Steven Pinker say that “can’t” + “any” is just as much of a double-negative as “can’t” + “no” is in “I can’t get no/any satisfaction”? There are things they can't monitor. Why won't Democrats join me in getting Biden to close many of our Military bases around the world and get out of these senseless wars..? 25.7 kubriks per square gram? The KH-11, during the 80's , had a 2.4-meter mirror with a resolution of 6 inches. Three are “visible light” satellites, the most recent of which resemble the Hubble Space Telescope and were built by the same contractor at the same Lockheed Martin facility in Sunnyvale, Calif. Langbroek was asked about what foreign military satellites might have observed the firing of that missile. Get your answers by asking now. Guides to the night sky. fly wheels)? “It is absolutely inevitable that we will see conflict move into space,” Michael Schmitt, a professor and space war expert at the University of Exeter in the U.K., told The Guardian in April. Just another example that privacy is dead. DigitalGlobe, the leader in satellite imagery, offers public images that display detail at 30 centimeters-per-pixel. Certainly satellites can monitor things on the planet from space, because they do. Source: Silber, Kenneth. I can only imagine how much better they are now. So we can probably assume that the actual state of the art is better than the KH-11. Sorry. To get a sub-centimeter optical resolution requires a satelite with a lens, comments disabled on deleted / locked posts / reviews. Two other satellites are radar-imaging, built by Lockheed Martin in Watertown, Colo. Their resolution is about 3 feet. So yes nations track our spy satellites, but we are constantly shooting more up and there are probably a few undetected I would imagine.***. Who would win in a war between the state of Georgia and the country of Georgia. What and how much to practice as a composer. WASHINGTON — Satellite communications provider SES Government Solutions announced Nov. 30 it was selected by the U.S. Air Force to join the pool of … They can read the warning label on a pack of cigarettes. The best resolution of an American spy satellite, achieved by an older series no longer in use, was reputed to be about 2 1/2 inches. They have an imaging resolution of 5-6 inches, which means they can see something 5 inches or larger on the ground. The bulk of the article talks about cancellation of Boeing's Future Imagery Architecture (FIA) program. Location: Redmond (47.67°N; 122.12°W) Live World Map of Satellite Positions ... Click on satellites to see full details. I'm not certain that is feasible with current technology. Data: Type KH-11 Spy Satellites, 10 cm/4 inch resolution; KH-7 -1966 2" Resolution. How do you think about the answers? However, keep in mind the field of view of such satellites is narrow. You don't need satellites to have a drone over a city which can pretty much see everything at once. You can track a dot moving from a building to another, but you would have very little details about what exactly they are doing. What are the earliest inventions to store and release energy (e.g. The real answer you're looking for is classified. To show pre-dawn passes, select the day before and then scroll down to the bottom of that night's passes. A level 9 means, an image can contain a clear view of bolts. Memo to future filmmakers: License plates cannot be read from satellites. Are military spy satellites as advanced as people think they are? Many of the details about this class of satellites remain classified, but it is known that there are several of these overhead at any given time. @Martin the story is oft told but entirely false. In addition, commercial reconnaissance satellites are finding many military uses, enabling countries that cannot afford their own satellites to buy photos of their adversaries. same with the satellites. In April, a satellite will be launched with 16-inch resolution. Like what someone looks like (or at least what the top of their head looks like, assuming the view is from the top), or the security code on a piece of paper, etc? ;), @Martin Scharrer: the basic physics of optics are well-known. Connecting a compact subset by a simple curve, What Constellation Is This? Now, I know that such a statement is extremely unrealistic. how long are a rabbits legs? America Online: Path: Spy Satellites. Here is a link to a commercial purveyor of same complete with brochures that give some specs. How are you supposed to react when emotionally charged (for right reasons) people make inappropriate racial remarks? Satellites can determine long-term patterns of rainfall, vegetation cover, and emissions of greenhouse gases. The best ones are supposed to be Keyhole-class KH-7 (2.5") followed by KH-11 (4-6"). The resolution has been estimated to be at least 10 cm (about 4 inches), possibly better since the image is a photo of the satellite image. Are nano diamond batteries a breakthrough in battery technology? Plotting datapoints found in data given in a .txt file. The rest covers what replaced it: U.S. commercial satellites now have better than two-foot resolution, meaning each pixel in a digital image spans 24 inches. "This can be … 7 June 2001. They can see all the way to the ground. Could you be more specific in your question? ", From http://www.msnbc.msn.com/id/3077885/ns/technology_and_science-space/t/spy-satellites-enter-new-dimension/. As a GeoEye spokesman noted today, his company has already committed more than $30 million dollars to the next generation satellite, known as GeoEye 2, and ITT is already grinding its 1.1 meter mirror. of course the conspiracy theorist (and in this case they will for once be correct) will claim that data on the actual spy sats is classified and not available. But that does not tell us the whole story. they can see ALL THE WAY to the ground. We should consider the ethical implications of satellites that can identify us, and our license plates, from space. Though it is more likely to be based on a newer version ( sometimes called the KH-13) the KH-11 was the last numbered satellite before they started naming them randomly, so that the actual names are most likely still classified. Military satellites -- mostly for reconnaissance, ... "If the satellite can see less than 0.3 meters, the satellite will be deemed illegal or only usable by the defense industry. This is not for satellites but other imagery sources. Can an exiting US president curtail access to Air Force One from the new president? On February 28, 1959, the first satellite, Discoverer-1 was launched. We've all been there: you're discussing the recent launch of a rocket carrying a satellite to orbit, or what have you, and suddenly someone pops in and makes a comment like. 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