... ISC Kosmotras . ... Dnepr launch record 17 August 2011. ... On 9 September 2009, a contract was signed between ISC Kosmotras and SSTL for the launch of Nigeria-2 and NigeriaSat- у satellites on Dnepr rocket as part of 2010 cluster launch from Yasny Launch Base. According to information provided by SSTL the NigeriaSat-2 satellite is being built for the Nigerian government (NASRDA) as a follow-on to the NigeriaSat-1 satellite that was launched in 2003. ... E-mail: info@kosmotras.ru . ...

... They are concerned with Attitude Control System of the spacecraft, satellite visibility from tracking stations, limits on the satellite autonomous operations during the orbit, and needs for auxiliary operations with the spacecraft. ... Among the operational constraints the most important one is the number of programmed slews per orbit, which determines the maximum number of radio sources to be observed during one orbit. ... System temperature (K) . ... Progress of the RadioAstron Project in Pictures...

. Next: A Quick Look Up: Spectral-Line Observing at AO Previous: THE SOURCE LIST . This section describes using the AO-Control GUI - a graphical user interface (GUI) to the Arecibo observing/datataking system - for spectral line observations. If you would like more information on the general properties of the GUI, go to http://www.naic.edu/ aoui . Subsections . A Quick Look . The Details . Useful Stuff . koneil@naic.edu

... To schedule Mark III projects using non-VLBA control file stations or a Mark III correlator, it is best to use PC-SCHED, written by Alan Rogers and Dave Schultz at Haystack (unrelated to SCHED), or SKED, written by Nancy Vandenberg at Goddard Space Flight Center. ... It is recommended that most VLBA Mark III observers send their ``.drg files'' files to the AOC, where the staff will use SKEDCONV and SCHED, along with current setup files, to make the VLBA control files. ...

... The software systems are described following the forward and backward data flow to/from the satellite: starting from the Observation Proposal reception and archiving, the long term observation scheduling up to the detailed weekly planning and telecommands sequence uplinking, and vice versa the scientific and housekeeping raw telemetry acquisition and archiving, quick look data analysis, data reformatting and distribution as a Final Observation Tape to the Observation Proposal PI. ...

Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... 2/3-m Telescope . ... Site . ... Commanding . ... In a typical robotic observing scenario, each afternoon, a telescope control computer obtains a set of objects to observe from its home institution from a command or script file. ... The file is then transferred to the telescope control computer at the Winer Observatory in Sonoita. ... The Iowa control computer then begins processing the telrun.sls file. ... 2013 Winer Observatory. ...

... In order to realize the optimal scientific return from the VLT, ESO has undertaken to develop an end-to-end data flow system from proposal entry to science archive. The VLT Data Flow System (DFS) is being designed and implemented by the DFS Group (ESO Internal access only) in collaboration with VLT Division and Instrumentation Division . ... VLT Control System Interface . ... OBs are the quantum of data that flows within the DFS, collecting state, data and status information as they flow. ...

ESAC Calibration management What does that mean ? ... 14 June 2006 Marcus G. F. Kirsch Marcus Kirsch , XMM-Newton European Space Astronomy Center Page 1 menu · X-ray calibration in the last century · Can we do better · Calibration management · Committee for X-ray calibration · Calibration mission scenario ESAC Marcus Kirsch , XMM-Newton European Space Astronomy Center Page 2 ...

WFPC2 . Images: version1 , version2 . Catalogs: Version 1 HDF-S , HDF-N ;Version 2 HDF-S . STIS . ... NICMOS . Images: Camera 3 , V2 of psf-convolved STIS 50CCD on NICMOS . ... Images: WFPC2 FF , STIS FF ; Version2: WFPC2 FF , STIS FF , NICMOS FF . Catalogs: Version2 WFPC2 FF , STIS FF , NICMOS FF . ... Check the instrument specific technical pages for a description of the data products and the implemented data reduction steps: STIS , WFPC2 , NICMOS , Flanking Fields . ...

Pulkovo NEO Page . ... NEA Accuracy Estimation . ... The estimation of accuracy of the current CCD observations of asteroids and comets is constantly performed at Pulkovo Observatory. ... The (O-C) values, so called "Observed" minus "Calculated" positions, characterize numerically the observations of any observatory, both professional and amateur, during a short period (one or several close nights). ... So the (O-C) values for these objects nearly entirely define the errors of observations. ...

LUNAR VEHICLE . The Lunar Orbiter contained a cosmonaut's pressurized cabin, a compartment accommodating attitude control engines and a passive docking mechanism, an instrumentation compartment, a lunar descent module, and rocket stage E. The Lunar Orbiter was powered from chemical storage batteries installed on a frame on the descent module exterior and in the instrumentation compartment. ... Omni-directional antennas . ... SEA LAUNCH . ... Official WEB-site of S.P.Korolev RSC Energia . ...

University Satellites and . Space Science Education . ... The project of the scientific - educational small satellite for research of Earth upper atmosphere density . ... At the end of 80th years in Kuybishev aviation institute (nowadays the Samara State Aerospace University) has been developed the project of small spherical satellite " PION ", intended as for a calibration of ground resources of tracing behind space objects, and for refinement of density of upper atmosphere of the Earth. ...

... SSAU History . ... The Ground Control Complex for Small Spacecraft of Samara State Aerospace University took control of the satellites Aist-1 . ... The data received from SSAU scientific equipment on board of the satellites Aist-1 was processed by the engineers of the Rocket and Space Centre and then was transferred to the university scientists. ... On April 19, 2013 the first small spacecraft Aist-1 was launched from the space-launch complex Baykonur together with a research satellite Bion-M No. ...

... Observations . ... Centre de Donn es sur les Satellites Naturels. ... Nomenclature des satellites | ... Satellites de Mars . Satellites proches de Jupiter . ... Satellites lointains de Jupiter . Satellites proches . ... Satellites proches de Saturne . ... Satellites lointains de Saturne . Ph?nom nes mutuels des satellites principaux . Satellites proches d'Uranus . Satellites principaux d'Uranus . Satellites lointains d'Uranus . Ph?nom nes mutuels des satellites d'Uranus . ...

... Le t?lescope" Hubble ", en orbite. ... la lumi?re visible, mais absorbe la plupart "des radiations ?lectromagn?tiques", pourtant de m?me famille que la lumi?re: une partie des infrarouges (IR), tous les ultra-violet (UV), les rayons X et gamma. ... Le t?lescope " Hubble ", ( Hubble telescope ) en orbite basse autour de la terre, surmonte ces limites dans la gamme du visible et en partie dans l'UV. ... distance par les astronomes depuis la terre, comme un observatoire bas? au sol. ...

... Satellite data ] . SMIS ] . The program calculates the satellite orbit using ephemeris data in either predict-telegrams (APT predict, TBUS data) or 2-line NORAD format (TLE data). It determines the start and finish times of acquisition session and stores the data for antenna control during the receipt onto the hard disk. The program creates session schedules, supports selection of specific regions for observation and automatic filtration of satellite passes over the selected regions. ...

Dr. Victoria I. Prokhorenko . ... Situation Analysis of The "PROGNOZ" Orbit for Solar- Terrestrial Space Experiments. ... Studies of Satellite Situations Mission. ... A Situation Analysis of the Orbits of the Tail and Auroral Probes in the "INTERBALL" Project. ... Specific Tasks of Multiple Scale Plasma Measurement in Regatta- Cluster System (co-authors S. Savin and L. Zelenyi)- In Book: Proceedings of an International Workshop on Space Plasma Physics Investigations by Cluster and Regatta. ...

... Old World First Asteroid Radar Echo. ... It testifies that 4179 Toutatis is a double object like asteroid 4769 Castalia. ... Interference of Radar Echo from the Binary Asteroid 4179 Toutatis. ... An analysis of the 6-cm radar data revealed quasi-harmonic oscillation of the echo’s “central” Doppler frequency with a period of about 14 sec and a deviation of about (0.7*B) Hz, where B is the echo bandwidth, which for 4179 Toutatis was equal to 2.1 Hz and 1.9 Hz for 1992 Dec 8 and 9, respectively. ...

... 8, ``Celestial Mechanics'', 2002 Station coordinates from observations of DORIS system TOPEX/Poseidon satellite M. V. Vasiliev, E. I. Yagudina Institute of Applied Astronomy, St. Petersburg, Russia The satellite system DORIS (Doppler Orbitography and Radiopositioning In­ tegrated by Satellites System) is the effective means of space geodesy and geody­ namics. ... Along with SLR, GPS observations of DORIS system are used also for EOP parameters de­ termination. ...

Pulkovo Database of Observations of Planets and Their Satellites . Select object, time interval and type of observations . ... First year (optional) . Last year (optional) . ... satellite relative to planet . satellite relative to another satellite . ... Select database . ...