File:Integral’s orbits 2002–17 ESA386837.jpg
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editDescriptionIntegral’s orbits 2002–17 ESA386837.jpg |
English: ESA’s Integral space observatory has been orbiting Earth for 15 years, observing the ever-changing, powerful and violent cosmos in gamma rays, X-rays and visible light. Studyingstars exploding as supernovas,monster black holesand, more recently, even gamma-rays that were associated withgravitational waves, Integral continues to broaden our understanding of the high-energy Universe.
This image visualises the orbits of the spacecraft since its launch on 17 October 2002, until October of this year. Integral travels in a highly eccentric orbit. Over time, the closest and furthest points have changed, as has the plane of the orbit. The orbit brought it to within 2756 km of Earth at its closest, on 25 October 2011, to 159 967 km at the furthest, two days later. This kind of orbit provides long periods of uninterrupted observations with nearly constant background away from the radiation belts around Earth that would otherwise interfere with the satellite’s sensitive measurements. In 2015, spacecraft operators conducted four thruster burns carefully designed to ensure that the satellite’s eventual entry into the atmosphere in 2029 will meet the Agency’s guidelines for minimising space debris. Making these disposal manoeuvres so early also minimises fuel usage, allowing ESA to exploit the satellite’s lifetime to the fullest. The orbital changes introduced during these manoeuvres are seen in the wide-spaced orbits to the left of the image, highlighted in white in thisannotated versionof the image. Watch amovieshowing Integral's orbitsFind out more about Integral in thisinfographic |
Date | |
Source | http://www.esa.int/spaceinimages/Images/2017/11/Integral_s_orbits_2002_17 |
Author | European Space Agency |
Permission (Reusing this file) |
ESA/ScienceOffice.org,CC BY-SA 3.0 IGO |
Title InfoField | Integral’s orbits 2002–17 |
Set InfoField | Space Science image of the week |
Mission InfoField | INTEGRAL |
Activity InfoField | Space Science |
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current | 14:56, 30 December 2017 | 5,760 × 3,240 (4.02 MB) | Fæ (talk | contribs) | European Space Agency, Id 386837, http://www.esa.int/spaceinimages/Images/2017/11/Integral_s_orbits_2002_17, User:Fæ/Project_list/ESA |
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- File:Integral orbit (37650760245).jpg (file redirect)
- File:Οι τροχιές του Integral στο διάστημα 2002-17 ESA386857.jpg (file redirect)
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Width | 24,000 px |
Height | 13,500 px |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop CC 2017 (Windows) |
File change date and time | 11:09, 8 November 2017 |
Exif version | 2.21 |
Color space | sRGB |
Date and time of digitizing | 11:02, 8 November 2017 |
Date metadata was last modified | 11:09, 8 November 2017 |
Unique ID of original document | xmp.did:40462218-960a-3046-bf12-ac8f2b5e6752 |