Tail Probe is one of the satellites of the INTERBALL program. ... Collection of the orbital elements | ... Flight situation analysis during operations scheduling . ... Two stages of the orbital situation analysis are presented: . ... The satellites motion calculation during the flight situation analysis is based on the orbital elements, determined by the Ballistic center at KIAM RAN. The modified (by backward integration) orbital elements are usedduring the aposteriory situation analysis. ...

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• Polar Orbiting Satellites
• Synchronous Orbit
• Orbit requirements

Different types of satellite orbits have different uses: while the synchronous orbit is best for communication satellites, Lagrangian point orbits help monitor the solar wind before it reaches Earth. A low altitude polar orbit is widely used for monitoring the Earth because each day, as the Earth rotates below it, the entire surface is covered. ... A different choice was made for MAGSAT, orbited 1979-80 to survey the Earth's own magnetic field near its surface. ...

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• Synchronous Orbit
• Geostationary orbit and s/c [Oulu]
• Lagrangian Points

Astronomy Picture of the Day . Satellites Collide in Low Earth Orbit . ... Explanation: How often do satellites collide? Although minuscule space debris may strike any satellite on occasion, the first known collision between time two full satellites occurred only last week. ... Since satellites may disintegrate when struck by fast-moving space junk , the crash focuses concern that a future dramatic satellite collision may one day start an ablation cascade of increasingly more collisions. ...

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• Астронет > Satellites Collide in Low Earth Orbit
• Leonids from Orbit
• The Satellites that Surround Earth

... 2009 February 18 . Satellites Collide in Low Earth Orbit . ... Explanation: How often do satellites collide? Although minuscule space debris may strike any satellite on occasion, the first known collision between time two full satellites occurred only last week. ... The collision occurred in low Earth orbit only 750 kilometers up, a height shared by many satellites but significantly higher than the 350-km high human-occupied International Space Station . ... About APOD | ...

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• APOD: 2007 June 16 - Lunar Orbiter Views Crater Copernicus
• APOD: 2000 November 29 - Leonids from Orbit
• Uranus' Small Moons

Outer Natural Satellites Orbits Ephemerides. ... Choose type of the ephemeride: . ... Values of the orbital elements [ output e sin( ), e cos( ), sin(i) sin( ), sin(i) cos( ) ] . Distances between the osculating orbits . ... Choose Second Satellite (for the distances) N9 Halimede N10 Psamathe N11 Sao N12 Laomedeia N13 Neso . ... Enter initial date (years) . Enter final date (years) . ... inclination deg. pericenter deg. node deg. Enter upper limit of frequency deg/year . ...

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• Data bases of Natural Satellites. Documentation. Structure

... ISC Kosmotras . ... Dnepr launch record 17 August 2011. ... Having been launched at 11:15 Moscow time from Baikonur Cosmodrome, the Dnepr LV (a converted SS-18 ICBM) successfully injected 5 RapidEye spacecraft into orbit. ... Dr. Vladimir A. Andreev, Director General of ISC Kosmotras, speaking on behalf of the Company, extended his congratulations on the successful launch to the launch customers, namely British SSTL, Canadian MDA and German RapidEye AG. ... Dnepr LV Performance . ... Launch Sites . ...

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• The first national Earth remote sensing satellite of Turkey will be placed into

... xmmtrack . ... xmmtrack is an interactive IDL application that visualizes the orbit and attitude data in an ODF in the form of a 3-D animation sequence. The presented scenery includes an astronomically accurate simulation of the Earth-Sun system plus the actual and predicted trajectory of the XMM satellite on its path around the Earth. ... Please note: XMM's orbit is highly time variable and the predicted orbit will significantly deviate from the actual trajectory if the reference epochs differ. ...

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• SAS_ORBIT

... Space debris comprise the ever-increasing amount of inactive space hardware in orbit around the Earth as well as fragments of spacecraft that have broken up, exploded or otherwise become abandoned. About 50 percent of all trackable objects are due to in-orbit explosion events (about 200) or collision events (less than 10). International Year of Astronomy, Ireland National Node . ...

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• Irregular Satellite Research
• Armagh Observatory
• Mutual Events of the Uranian Satellites

... Direct data transmission rate (Mbps) . ... the density of electron fluexs with energies in four bands from 0.04 MeV to 1.7 MeV; . ... sensor (TV, IR) data and heliogeophisical information (HGI) transmission to data receiving and processing centers at a rate of up to 2.56 Mbps; . ... 1.76 GHz - TV- and heliogeophysical information and DCLI's data transmission to data receiving and processing centers; . 7.5 GHz - TV- and heliogeophisical data transmission to data receiving and processing centers; . ...

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... 17may12 galfacts sees the galileo satellites . The galileo satellites are the European global navigation satellite system . ... GALILEO-PFM (IOV-1) . ... 115E5a cycles/chip . ... 10.23 MHz . ... On 17may12 project a2130 (galfacts) received interference from the galileo satellite galileo-pfm (they saw it on more than one night) . ... Page 4, 2nd frame is the satellite pass for the a2130 observation on 17may12 ( galileo-pfm red ) . ... The satellite got to about 4.5 degrees of the main beam. ...

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• satellite prediction routines
• radar calibration via satellites
• Orbits in the period / acceleration plane

YAMAL-200 COMMUNICATIONS SATELLITE . Spacecraft Yamal-100, Yamal-200 were developed by the Corporation based on the S.P.Korolev RSC Energia-designed Multi-purpose Satellite Bus under a contract with Gascom within the framework of the Russian Federal SpaceProgram. ... Yamal-200 satellites were launched on November 24, 2003 at 9 hours 22 minutes, Moscow Time. Proton-K launch vehicle put the orbital module into its reference orbit. ... Orbit . ... Official WEB-site of S.P.Korolev RSC Energia . ...

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• S.P.Korolev RSC Energia - LAUNCHERS
• RSC "Energia" - History
• S.P.Korolev RSC Energia

JSC History . ... NASA History . ... Space Shuttle: 1981 to 2011 . NASA's Space Shuttle orbiters were the first spacecraft capable of routinely launching into orbit like rockets and then returning to Earth as gliders. ... http://www.nasa.gov/agency/crm/shuttle/index.html . ... http://www.jsc.nasa.gov/history/oral_histories/sts-r.htm . ... http://www.jsc.nasa.gov/history/shuttle_pk/pk/Flight_001_STS-001_Press_Kit.pdf . ... http://www.jsc.nasa.gov/history/shuttle_pk/shuttle_press.htm . ...

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• Astronaut Bio: Shannon Lucid (02/2012)
• Astronaut Bio: John E. Blaha (05/2008)
• Astronaut Bio: Dale A. Gardner

Ground Support of RadioAstron . Control and Tracking Stations . RadioAstron satellite control (command transmission, telemetry, orbit measurements) will be conducted from Evpatoria and Bear Lake control stations. ... Coarse orbit measurements will be carried out from control stations. Each measurement takes ten minutes. ... Orbit measurements at tracking stations give only radial component of spacecraft velocity but the measurements are going continuously during observing sessions. ...

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• Parameters of the Moon-perturbed orbit
• Navigation Post-Observation Products
• RadioAstron Mission Element Overview

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Moon . ... Space Flight . ... Science Fiction . UFOs and Fringe Science . Monthly Sky Notes . ... NASA's Cassini spacecraft obtained this image of Saturn's moon Helene on June 18, 2011. Image credit: NASA/JPL-Caltech/Space Science Institute) . ... Your email address will not be published. ... Email * . ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

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• Space Shuttle | Astronotes
• Kepler-11: a strange and crowded planetary system | Astronotes
• Kepler-10c: the First Mega-Earth | Astronotes

... The two newly discovered satellites of Pluto have masses that are small compared to both Pluto and Charon, i.e., between 5x10-4 and 1x10-5 of Pluto's mass, and between 5x10-3 and 1x10-4 of Charon's mass. ... The orbits of P1 and P2 reveal that Pluto's satellite system is both largely empty and highly compact. All three of Pluto's known satellites orbit in the inner ~3% of Pluto's satellite prograde orbit stability radius3, which extends outward to 2.2x106 km from Pluto. ...

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• L2 Orbit
• SPIKE Orbit Model Update Tools Requirements
• SPIKE Orbit Model Update Tools Requirements Page

Stellarium 0.12.3 . ... Classes . ... FileљStructure . ClassљList . ... Satellite Class Reference . A representation of a satellite in Earth orbit. More... #include < Satellite.hpp > . ... Thanks to operator<() overloading, container classes (QList, QMap, etc) with Satellite or SatelliteP objects can be sorted by satellite name/ID. ... The documentation for this class was generated from the following file: . home/aw/devel/stellarium/trunk/plugins/Satellites/src/ Satellite.hpp . ...

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• "Феникс": сбой на Mars Reconnaissance Orbiter привел к потери связи
• Ключевое слово ?Mars Reconnaissance Orbiter?
• Первые снимки с Mars Reconnaissance Orbiter

... 8, ``Celestial Mechanics'', 2002 Dynamics of artificial satellite orbits with the effects of luni­solar perturbations Y. A. Abdel­Aziz 1;2 , E. Wnuk 2 1 National Research Institute of Astronomy and Geophysics (Helwan Observatory), Helwan, Cairo, Egypt 2 Astronomical Observatory of Adam Mickiewicz University, Sloneczna 36, 60­286 Poznan, Poland In this paper we propose an analytical solution of some problems of Earth's artificial satellite moving on high orbits (at altitude above 20 000 km). ...

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• http://www.ipa.nw.ru/conference/2002/sovet/PS/KOUPRIAN.PS
• http://www.ipa.nw.ru/conference/2002/sovet/PS/DESCAM.PS
• http://www.ipa.nw.ru/conference/2002/sovet/PS/KARDASH.PS

... Bad Astronomy . ... I mention Molniya orbits below, which are highly elliptical orbits that dip down as low as 200 miles, but get very high up. ... To someone on Earth, a satellite in geosynchronous orbit will stay at the same longitude (east-west) direction in the sky, but will move north and south over the orbit. ... Either way, geostationary or geosynchronous, the advantage of these orbits in intelligence gathering is obvious; it's like always having an eye in the sky over one part of the Earth. ...

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• Phil Plait's Bad Astronomy: Mad Science
• Phil Plait's Bad Astronomy: Bitesize Astronomy

... Pre-university education . ... Samara region . SSAU History . SSAU roadmap . ... Scientists of Samara University (joined SSAU and SSU) began to develop a unified manoeuvring unit for CubeSat-type nanosatellites for the first time in Russia. ... During one of his latest visits to SSAU he proposed to extend capability of the nanosatellites created in Samara University by making a manoeuvring unit and allocated funding to begin work on this topic. ... Nanosatellites of Samara University . ...

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• Young SSAU scientists will guide the orbital constellation of the satellites
• The complex 'Shtil-M' No. designed in SSAU began data transmission from the

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Un ast†йro†пde sur la m†кme orbite que la Terre . ... L'ast†йro†пde 2010 SO16, d†йcouvert en septembre dernier par le satellite Wise, partage la m†кme orbite que notre plan†иte. ... Quel †йv†йnement a bien pu projeter cet ast†йro†пde sur son orbite en fer †а cheval ? ...

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• Mercure et V†йnus †а lтАЩextr†йmit†й de leur orbite | Ciel et Espace
• Triple †йclipse de Soleil pour le satellite Hinode | Ciel et Espace
• Dawn en orbite autour de Vesta | Ciel et Espace