This groups includes about 200 communication satellites ("comsats") scattered in synchronous orbits above the Earth's equator. ... 6 Earth radii (42,000 km or 26,000 miles), these satellite make one orbit per day, and therefore as the Earth turns, they always stay above the same ground station. ... Still another application is the 24-satellite network of the "Global Positioning System" (GPS), in circular orbits at distances of about 4.1 Earth radii (26,000 km or 16,000 miles). ...

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... 29a. Satellite looking up . ... 29e. Explorers of distant space . Space Index . This groups includes about 200 communication satellites ("comsats") scattered in synchronous orbits above the Earth's equator. ... 6 Earth radii (42,000 km or 26,000 miles), these satellite make one orbit per day, ( sidereal day of 23 h 56 min--see here ) and therefore as the Earth turns, they always stay above the same ground station. ... Next Satellite Class: #29e Missions to Planets and to Distant Space . ...

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• Satellites commerciaux
• Satellite position in the SE and GSM coordinate systems

YAMAL 300 COMMUNICATIONS SATELLITE . Yamal 300 SC #1 . ... 1370 . ... Satellite stationkeeping accuracy in latitude and longitude, deg. 0.05 . ... Yamal 300 SC #1 coverage area . ... YAMAL-200 COMMUNICATIONS SATELLITE . ... Official WEB-site of S.P.Korolev RSC Energia . ...

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• RSC "Energia" - Automatic Space Systems
• RSC "Energia" - Launchers
• S.P. Korolev RSC Energia - News

... News Latest News News Archive Newsletter Quarterly Status Report . ... Data Analysis SAS News What is SAS? ... Archive, Pipeline & Catalogues XMM-Newton Science Archive Pipeline Processing System Observation Data Status Time Correlation Fix Serendipitous Source Catalogue OM Serendipitous Source Catalogue Slew Survey Catalogue Latest Slew Results Browsing Interface for RGS Data Live Radiation Monitor Plots Radiation Monitor Files . ... Please refresh your browser to update the satellite position. ...

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• srcinfov: compute position of SouRCe in Field Of View

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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... HST . How long does my Position Mode exposure time need to be? ... HST Peer Review Process . ... HST Overview . Overview . ... Phase I Proposing . ... Cycle 24 Announcement . Cycle 23 Results . ... DD Time . Mid Cycle Submission . ... Phase II Cycle 23 . ... Phase I . ... A: One minute is usually sufficient for Position Mode observations. Often, the target acquisition is shorter than expected and, as a result, an observer might get several seconds more exposure time than specified. ...

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• Moving COS FUV Spectra to the Third COS FUV Lifetime Position
• Summary of new COS Lifetime Position Characteristics
• COS/FUV Lifetime Position 3 Line Spread Functions and Cross-dispersion Spread

Program: TRACE Purpose: TRACE plots image values at user given positions as function of distance to a plot centre (in 2-d (sub)sets). Category: ANALYSIS, PLOTTING File: trace.c Author: M.G.R. Vogelaar Keywords: INSET= Give set (, subset): Only one subset is allowed. ... XYBOX= Give size of box around one pixel: [3,3] The resulting value at a selected position is an average of the pixels in the defined box around that position. ... POSITION= Give position x, y: Physical values are allowed. ...

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• Satellite Tracking
• CASS News
• Archive of VLBI Observations Majordomo List

National Aeronautics and Space Administration . ... James H. Newman (Ph.D.) . NASA ASTRONAUT (FORMER) . ... Recipient of the American Astronautical Society Flight Achievement Award (1994, 1999) for his work as a member of the STS-51 and STS-88 crews. ... That same year he came to work at NASA s Johnson Space Center, where his duties included responsibility for conducting flight crew and flight control team training for all mission phases in the areas of Orbiter propulsion, guidance, and control. ...

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• Astronaut Bio: Dale A. Gardner
• Astronaut Bio: Peter J. K. Wisoff 11/2001
• Astronaut Bio: James A. Lovell

Natural Satellites Service. ... Apparent Encounters . of the Tycho-2 Catalogue stars and the main natural planetary satellites . ... Suggestions . ... Here we present the precalculated circumstances of the apparent encounters of the stars of the Tycho-2 Catalogue with the main satellites of Saturn (S1-S8) for the period from November 2004 to February 2010, and with the Galilean satellites of Jupiter for the period from November 2004 to October 2010. ...

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• IMCCE-SAI: Natural Satellites Service. Ephemerides. Satellites lointains de
• IMCCE-SAI: Natural Satellites Service. Ephemerides. Satellites de Pluton
• IMCCE-SAI: Natural Satellites Service. Ephemerides. Satellites d'Uranus

... Classes . ... TelescopeTCP Class Reference . This TelescopeClient class can controll a telescope by communicating to a server process ("telescope server") via the "Stellarium telescope control protocol" over TCP/IP. ... TelescopeTCP (const QString &name, const QString &params, Equinox eq=EquinoxJ2000) . ... getInfoString (const StelCore *core, const InfoStringGroup &flags) const . ... getEquinoxEquatorialPos (const StelCore *core) const . ... getJ2000GalacticPos (const StelCore *core) const . ...

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• Stellarium: Skybright Class Reference
• Stellarium: gSatTEME Class Reference
• Stellarium: Nebula Class Reference

... The Russian Academy of Sciences, Federal Space Agency (ROSCOSMOS), the Ministry of Defense of the Russian Federation, the Ministry of Communications and Mass Media of the Russian Federation (MINCOMSVYAZ), Federal Agency on Technical Regulating and Metrology (ROSSTANDART), Federal Service for State Registration , Cadaster and Cartography (ROSREESTR), Scientific Council of the Russian Academy of Sciences on PNT problem and the ... Ipatov А. V. (Institute of Applied Astronomy of RAS) ? ...

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• LAB Ephem. Astronomy-ERA
• menu KVNO2013

... Positions in 2000 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2001 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2002 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2003 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2004 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . ...

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• Armagh Observatory
• The Human Orrery
• PhD position, Centre for Astronomy, NUI Galway: deadline 18 July 2008 |

. Next: Initial velocity Up: Space and velocity distributions Previous: Space and velocity distributions . Following Paczynsky (1990), we assume initial space distribution of young neutron stars to be varying exponentially with distance from the Galactic center and from the Galactic plane, that is probability distribution for young neutron star positions can be written in the form . with kpc, and pc. Mike E. Prokhorov . Fri Jul 19 19:16:07 MSD 1996

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... Commands are all case insensitive. ... When you connect, the system prompt should read "Positioner Ready>". ... If the command is in range, the drive is enabled, the system is driven to the commanded position, and the drive is disabled (including setting the brakes). ... I have the system disconnected while I'm installing the feedthroughs): telnet 192.168.1.40 5002 Positioner Ready> angle=180 Outside of software limits (-178,178) Positioner Ready> angle=170.1 Driving to 170.1, ESC to abort.. ...

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• on,off position switching offsets
• usrProjects
• Mark III Equipment

. Computer Ephemeris. Lunar equatorial positions. Explanations. Each row contains at 0 h and 12 h of Time Dynamical Terrestrial: month, day, apparent right ascension (hours, minutes, seconds), apparent declination (degrees, minutes, seconds of arc) and geocentric distance (in Earth's radii).

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• Satellite Data Processing
• Central meridian positions for physical observations of Uranus for Computer
• Central meridian positions for physical observations of Saturn for Computer

... B=Command, 12AB=Azm, comma, 4000=Alt. ... Example: if the desired position is 220°, then POSITION_24BIT = (220/360)*224 = 10,252,743 Separate POSITION_24BIT into three bytes such that (POSITION_24BIT = PosHigh*65536 + PosMed*256 + PosLow). Exampe: PosHigh = 156, PosMed = 113, PosLow = 199 Send the following 8 bytes: a. Azm Slow Goto: 80, 4, 16, 23, PosHigh, PosMed, PosLow, 0 b. Alt Slow Goto: 80, 4, 17, 23, PosHigh, PosMed, PosLow, 0 The number 35 is returned from the handcontrol 4. ...

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• http://www.astro.louisville.edu/software/xmtel/xmtel-7.1/TELCOMMANDS
• http://www.astro.louisville.edu/software/xmtel/archive/xmtel-3.1/docs/nexstar/GetRA-DEC.txt

Astronomy Picture of the Day . ... 22.11.2004 . ... Credit: NASA Explanation: Where do gamma ray bursts occur? To help find out, NASA launched the Swift satellite on Saturday, as pictured above . ... Subsequently collected GRB and afterglow information will help astronomers not only determine the nature of the initial explosions, but also the nature of the expanding shockwaves. ... Publications with keywords: Swift - launch . Publications with words: Swift - launch . ... Dawn Launch Mosaic . ...

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• Journal "Peremennye Zvezdy"
• Optical Transient Near GRB970508 Shows Distant Redshift
• XWare > APOD

... General information . ... Staff . Research staff . Technical, administrative & librarian staff . ... Staff in alphabetic order . Research . ... Projects . ... General interest seminars . ... IT Services . ... Information . Resources and catalogs . ... Historical highlights . Historical research . Historical archive . ... Projects and events . Online resources . ... Archive . ...

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• Curriculum Vitae
• Mars Pathfinder
• Hotels Zona Osservatorio

Contents] [Prev page] [Next page] [Index] . ... Positioning HTML Content Using Styles . Positioning HTML Content Using the <LAYER> Tag . ... Absolute Positioning . ... Creating Positioned Blocks of Content Dynamically . Writing Content in Positioned Blocks . ... Positioning the Flower Layers . Positioning and Moving the Fish and Poles . Defining the onLoad Handler for the BODY Element . ... Adding Another Layer to Contain the Reverse Fish Image . ... The Initialization Functions . ...

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• Long description for example illustrating positioning with respect to a
• Long description illustrating absolute positioning with respect to the initial
• Long description for example illustrating absolute positioning

Prognoz-6 satellite position data . Filename from to size . F770922.POS 22-09-77 03:00 30-09-77 22:00 13.7k . F771001.POS 01-10-77 00:00 31-10-77 22:00 47.7k . F771101.POS 01-11-77 00:00 30-11-77 22:00 46.1k . F771201.POS 01-12-77 00:00 31-12-77 22:00 47.7k . F780101.POS 01-01-78 00:00 31-01-78 23:00 47.7k

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• Empirical Model of the Nighttime Winter Ionospheric Trough
• VEGA pr-7