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Encyclopedia > Stereo
This article documents a current spaceflight.
Information may change rapidly as the mission progresses.
STEREO

One STEREO spacecraft
Organization: NASA
Major Contractors: Johns Hopkins University Applied Physics Laboratory
Mission type: Solar Terrestrial Probes
Satellite of: Sun
Launch Date: October 26, 2006
00:52 GMT
Launch Vehicle: Delta II 7925
Mission Duration: 2 years minimum
Webpage: http://stereo.jhuapl.edu/
Mass: approximately 1142 pounds (642 kg) each
edit

STEREO (Solar TErrestrial RElations Observatory) is a solar observation mission which was launched on 26 October 2006 at 00:52 GMT.[1] Two identical spacecraft were launched into orbits that cause them to (respectively) pull further ahead and fall gradually behind the earth. This will enable stereoscopic imaging of the Sun and solar phenomena, such as Coronal Mass Ejections. Wikipedia does not have an article with this exact name. ... It has been suggested that this article or section be merged into Space exploration. ... Image File history File links Download high resolution version (3032x2008, 1386 KB) High-resolution imagery of Space Shuttle Discovery as it approaches the International Space Station (28 July 2005) source: http://www. ... Image File history File links STEREO_spacecraft. ... The National Aeronautics and Space Administration (NASA) is an agency of the United States Government, responsible for that nations public space program. ... The Johns Hopkins University, founded in 1876, is a private institution of higher learning located in Baltimore, Maryland, United States. ... The Johns Hopkins University Applied Physics Laboratory (APL), located in Laurel, Maryland, is a not-for-profit, university-affiliated research center employing 4,000 people. ... The Sun is the star at the centre of the Solar System. ... October 26 is the 299th day of the year (300th in leap years) in the Gregorian Calendar, with 66 days remaining. ... 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... For alternate meanings of GMT, see GMT (disambiguation). ... A Delta II rocket launches from Cape Canaveral carrying a GPS satellite The Boeing IDS Delta II family of launch vehicles has been in service since 1989. ... Look up stereo in Wiktionary, the free dictionary. ... The Sun is the star at the centre of the Solar System. ... October 26 is the 299th day of the year (300th in leap years) in the Gregorian Calendar, with 66 days remaining. ... 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... For alternate meanings of GMT, see GMT (disambiguation). ... Stereoscopy, stereoscopic imaging or 3-D (three-dimensional) imaging is a technique to create the illusion of depth in a photograph, movie, or other two-dimensional image, by presenting a slightly different image to each eye. ... A composite image showing two CMEs (at 2 oclock and 8 oclock), with the sun at center. ...

Launch of the STEREO spacecraft atop a Delta II (7925-10L) rocket, 00:52 GMT on 26 October 2006
Launch of the STEREO spacecraft atop a Delta II (7925-10L) rocket, 00:52 GMT on 26 October 2006

Contents

Image File history File links Download high-resolution version (2293x3000, 304 KB) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): STEREO Portal:Spaceflight Portal:Spaceflight/Spaceflight news User:GW Simulations/SpaceflightPortal ... Image File history File links Download high-resolution version (2293x3000, 304 KB) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): STEREO Portal:Spaceflight Portal:Spaceflight/Spaceflight news User:GW Simulations/SpaceflightPortal ... A Delta II rocket launches from Cape Canaveral carrying a GPS satellite The Boeing IDS Delta II family of launch vehicles has been in service since 1989. ... For alternate meanings of GMT, see GMT (disambiguation). ... October 26 is the 299th day of the year (300th in leap years) in the Gregorian Calendar, with 66 days remaining. ... 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ...

Mission profile

On November 9, 2005 both spacecraft were shipped from Johns Hopkins University Applied Physics Laboratory to Goddard Space Flight Center, in preparation for launch[2]. As of May 3, 2006, the twin spacecraft were undergoing final pre-launch tests and preparations at the Astrotech Spacecraft Processing Facility in Florida. The Delta II rocket destined to carry the STEREO spacecraft into orbit was being assembled at Launch Complex 17. The STEREO spacecraft were scheduled to be mated to the Delta II on July 10, 2006.[3] [4] November 9 is the 313th day of the year (314th in leap years) in the Gregorian Calendar, with 52 days remaining. ... 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ... The Johns Hopkins University, founded in 1876, is a private institution of higher learning located in Baltimore, Maryland, United States. ... The Johns Hopkins University Applied Physics Laboratory (APL), located in Laurel, Maryland, is a not-for-profit, university-affiliated research center employing 4,000 people. ... Aerial view of Goddard Space Flight Center. ... May 3 is the 123rd day of the year in the Gregorian calendar (124th in leap years). ... 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... A Delta II rocket launches from Cape Canaveral carrying a GPS satellite The Boeing IDS Delta II family of launch vehicles has been in service since 1989. ... The first stage of the Boeing Delta II rocket, slated to launch NASAs Solar Terrestrial Relations Observatory (STEREO), is lifted into a vertical position for installation into the mobile service tower at Pad 17B Cape Canaveral Air Force Station Launch Complex 17 is a launch site at Merritt Island... July 10 is the 191st day (192nd in leap years) of the year in the Gregorian Calendar, with 174 days remaining. ... 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ...


They were launched into a highly elliptical geocentric orbits in late 2006, with an apogee at approximately the distance of the Moon. On December 15, 2006 (on the fifth orbit), the pair swung by the moon for a gravitational slingshot. This slingshot will maneuver the ahead spacecraft (designated "A") to a heliocentric orbit inside Earth's orbit. The behind spacecraft ("B") will encounter the Moon again on the same orbital revolution (on January 21, 2007), placing it into a heliocentric orbit outside the Earth's. Spacecraft A will take 347 days to complete one revolution of the sun, with Spacecraft B taking 387 days. They will retreat from the earth by about 22° per earth year. The ellipse and some of its mathematical properties. ... This article is about several astronomical terms (apogee & perigee, aphelion & perihelion, generic equivalents based on apsis, and related but rarer terms. ... It has been suggested that sling effect be merged into this article or section. ...


Instrumentation

Each of the spacecraft carry cameras, particle experiments and radio detectors in four instrument packages:

  • Sun Earth Connection Coronal and Heliospheric Investigation (SECCHI) - SECCHI has five cameras: an extreme ultraviolet imager and two white-light coronagraphs (collectively known as the Sun Centered Instrument Package or SCIP), which image the solar disk and the inner and outer corona, plus two heliospheric imagers (called the HI), which image the space between Sun and Earth. The purpose of SECCHI is to study the 3-D evolution of Coronal Mass Ejections through their full journey from the Sun's surface through the corona and interplanetary medium to their impact at Earth.[5] [6]
  • In-situ Measurements of Particles and CME Transients (IMPACT) - IMPACT will study energy particles and magnetic fields of the Sun.[5] [7]
  • PLAsma and SupraThermal Ion Composition (PLASTIC) - PLASTIC will study the plasma characteristics of protons, alpha particles and heavy ions.[5]
  • STEREO/WAVES (SWAVES) - SWAVES is a radio burst tracker that will study radio disturbances traveling from the Sun to the orbit of Earth.[5]
  • Attitude determination - Each STEREO spacecraft has a primary and backup Miniature Inertial Measurement Unit (MIMU), provided by Honeywell, which measure changes to the spacecraft attitude[8]. Each MIMU is equipped with three ring-laser gyroscopes to detect angular changes.
One of the first images of the Sun taken by STEREO
One of the first images of the Sun taken by STEREO
The STEREO Space Probes in a Goddard Center Cleanroom
The STEREO Space Probes in a Goddard Center Cleanroom

An example image from SOHO - NASA A coronagraph is a telescopic attachment designed specifically to block out the harsh, direct light from a star, so that nearby objects can be resolved without burning out the telescopes optics. ... In astronomy, a corona is the luminous plasma atmosphere of the Sun or other celestial body, extending millions of kilometres into space, most easily seen during a total solar eclipse, but also observable in a coronagraph. ... A composite image showing two CMEs (at 2 oclock and 8 oclock), with the sun at center. ... In astronomy, a corona is the luminous plasma atmosphere of the Sun or other celestial body, extending millions of kilometres into space, most easily seen during a total solar eclipse, but also observable in a coronagraph. ... // For alternative meanings see proton (disambiguation). ... An alpha particle is deflected by a magnetic field Alpha particles (named after the first letter in the Greek alphabet, α) are a highly ionizing form of particle radiation which have low penetration. ... Heavy-ion refers to ion of atom which is usually heavier than carbon. ... MIMU Exploded View (From Marlim. ... Honeywell Heating Specialties Company Stock Certificate dated 1924 signed by Mark C. Honeywell - courtesy of Scripophily. ... A gyroscope For other uses, see Gyroscope (disambiguation). ... Image File history File linksMetadata Download high-resolution version (1800x1800, 536 KB) One of the first images taken by the STEREO mission. ... Image File history File linksMetadata Download high-resolution version (1800x1800, 536 KB) One of the first images taken by the STEREO mission. ... Image File history File links Download high-resolution version (900x648, 334 KB) STEREO spacecraft rest side-by-side in the cleanroom. ... Image File history File links Download high-resolution version (900x648, 334 KB) STEREO spacecraft rest side-by-side in the cleanroom. ...

See also

The Solar and Heliospheric Observatory (SOHO) is a spacecraft that was launched on 2 December 1995 to study the Sun, and began normal operations in May 1996. ... Ulysses spacecraft Ulysses is an unmanned probe designed to study the Sun at all latitudes. ... Advanced Composition Explorer Advanced Composition Explorer Advanced Composition Explorer Advanced Composition Explorer Advanced Composition Explorer Advanced Composition Explorer Advanced Composition Explorer Advanced Composition Explorer Advanced Composition Explorer Advanced Composition Explorer Advanced Composition Explorer Advanced Composition Explorer Advanced Composition Explorer Advanced Composition Explorer Advanced Composition Explorer Advanced Composition Explorer Advanced Composition... Illustration of TRACE Image of a sunspot taken by TRACE TRACE, or the Transition Region and Coronal Explorer is a NASA space telescope designed to investigate the connections between fine-scale magnetic fields and the associated plasma structures on the Sun by providing high resolution images and observation of the... Triana was a NASA satellite proposed in 1998 by former Vice President Al Gore for the purpose of earth observation. ...

References

  1. ^ NASA Launch Schedule. NASA Missions (September 20, 2006). Retrieved on September 20, 2006.
  2. ^ STEREO Mission Status (November 2005). Retrieved on May 30, 2006.
  3. ^ STEREO Mission Status (May 2006). Retrieved on May 30, 2006.
  4. ^ Kaiser M. L. (2005). "The STEREO mission: an overview". Solar Encounter, Solar-B and Stereo Advances in Space Research 36 (8): 1483-1488.
  5. ^ a b c d STEREO Spacecraft & Instruments. NASA Missions (March 8, 2006). Retrieved on May 30, 2006.
  6. ^ Howard R. A., Moses J. D., Socker D. G., Dere K. P., Cook J. W. (2002). "Sun Earth Connection Coronal and Heliospheric Investigation (SECCHI)". Solar Variabilit and Solar Physics Missions Advances in Space Research 29 (12): 2017-2026.
  7. ^ Luhmann J. G., Curtis D. W., Lin R. P., Larson D, Schroeder P., Cummings A., Mewaldt R. A., Stone E. C., Davis A., von Rosenvinge T., Acuna M. H., Rearnes D., Ng C., Ogilvie K., Mueller-Mellin R., Kunow H., Mason G. M., Wiedenbeck M., Sauvaud A., Aoustin C., Louarn P., Dandouras J., Korth A., Bothmer V., Vasyliunas V., Sanderson T., Marsden R. G., Russell C. T., Gosling J. T., Bougeret J. L., McComas D. J., Linker J. A., Riley P., Odstrcil D., Pizzo V. J., Gombosi T., DeZeeuw D., Gombosi T., DeZeeuw D., Kecskemety K. (2005). "IMPACT: Science goals and firsts with STEREO". Solar Encounter, Solar-B and Stereo Advances in Space Research 36 (8): 1534-1543.
  8. ^ Honeywell To Provide Miniature Inertial Measurement Units For STEREO Spacecraft. Web. Honeywell International, Inc.. Retrieved on 2006-10-25.
  • STEREO spacecraft to image solar blasts in glorious 3-D, New Scientist December 9 2005
  • Orbit simulations, on the NASA site

September 20 is the 263rd day of the year (264th in leap years). ... 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... September 20 is the 263rd day of the year (264th in leap years). ... 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... May 30 is the 150th day of the year in the Gregorian calendar (151st in leap years). ... 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... May 30 is the 150th day of the year in the Gregorian calendar (151st in leap years). ... 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... March 8 is the 67th day of the year in the Gregorian Calendar (68th in leap years). ... 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... May 30 is the 150th day of the year in the Gregorian calendar (151st in leap years). ... 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... October 25 is the 298th day of the year (299th in leap years) in the Gregorian calendar. ...

External links

  • STEREO, official site
  • STEREO, NASA version
  • U of M, UMNnews
  • STEREO, UK version

  Results from FactBites:
 
NASA - STEREO - The Sun in 3D (378 words)
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STEREO will become a key addition to the fleet of space weather detection satellites by providing more accurate alerts for the arrival time of Earth-directed solar ejections with its unique side-viewing perspective.
NASA's STEREO satellite captured the first images ever of a collision between a coronal mass ejection and a comet.
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STEREO consists of two space-based observatories - one ahead of Earth in its orbit, the other trailing behind.
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