The orbital period of a satellite increases as its mean distance from Earth grows. The space shuttle in a low altitude circular orbit, just above the atmosphere, completes one circuit in about 90 minutes. ... If you have a suitable calculator, you can easily chek the value of T for R=6.6] A satellite orbiting above the equator at that distance keeps its position above the same spot on the ground; hence this is known as the synchronous orbit, from the Greek syn--same, chronos--time. ...

... 2000 November 29 . Leonids from Orbit . ... Explanation: Here is what a meteor shower looks like from orbit. ... Visible beneath the meteors are clouds lit by reflected moonlight, while visible above is the constellation of Aries . ... Recent analysis of the 2000 Leonids meteor shower indicates to many astronomers that the 2001 Leonids may develop into a real meteor storm , with meteor rates perhaps exceeding one per second visible from parts of Asia . ... About APOD | ... NASA Technical Rep.: ...

... Orbit . ... The orbital period of a satellite increases as its mean distance from Earth grows. ... T = 84 minutes x R x –R . ... A satellite orbiting above the equator at that distance keeps its position above the same spot on the ground; hence this is known as the synchronous orbit, from the Greek syn--same, chronos--time. ... For this reason many synchronous satellites have carried detectors for magnetic fields and for trapped or injected ions and electrons. ... Synchronous satellites . ...

. The XMM-Newton website has moved to the following location: . http://www.cosmos.esa.int/web/xmm-newton

... Leonids from Orbit . ... Here is what a meteor shower looks like from orbit. During the peak of the 1997 Leonid Meteor Shower, the MSX satellite imaged from above 29 meteors over a 48 minute period entering the Earth's atmosphere. ... Earth at Night . ... Last year, the 1999 Leonids Meteor Shower came to a tremendous crescendo. Observers in Europe observed a sharp peak in the number of meteors visible around 0210 UTC during the early morning hours of November 18. ... Fire on Earth . ...

... 4 November 1994 . orbit . ... 0.0128 . ... orbit period . ... satellite mass . 1950 kg . scientific payload mass . 550 kg . ... For more information send a mail to: info@sputnik.infospace.ru . 1997-2002 SMIS IKI RAN and SRC "PLANETA" Moscow, Russia. ...

... the images show the dynamic spectra for files wapp.20100927.a2010.0031,32,33.fits . dynamic spectra file .0031 start 22:36:38 ast (.gif) . dynamic spectra file .0032 start 22:46:44 ast (.gif) . dynamic spectra file .0033 start 22:56:51 ast (.gif) . ... Gps l3 was on for about 26 minutes. ... svn15 was about 10.8 degrees from the pointing direction when the rfi started and 10.5 degrees away when it stopped. svn25 (the new satellite) was close to the horizon when the rfi was on. ...

After some period of quiet Sun the exciting Sun-Earth connections event as the big magnetic storm was observed at January 10-11, 1997 by various satellites and ground-based instruments. Scientist meet this challenge with unprecedented activity and a few data bases was created in relation with solar event/magnetic storm on a few WEB-sites. ... According the Moscow observatory data the sudden storm commencement (SSC) take place at 01:08 Universal Time of January 10, 1997. ...

... Satellite data ] . SMIS ] . ... NOAA satellites . Telemetry Data Format . ... METEOR-3M Satellite Pass Schedule . Telemetry Archive Catalog . Last telemetry files . ... Data Processing Examples . ... Caspian Sea (server "SPUTNIK") . GOMS satellite (server "SPUTNIK") . Archive Directory . Latest Data . ... RESURS 01 satellite (server "SPUTNIK") . Operational Archive (MSU-E Data) . ... METEOR satellite (server "SPUTNIK") . ... OKEAN satellite (server "SPUTNIK") . ...

This directory contains Calgary Neutron Monitor Data at five minute resolution. Each file is a gzipped tar archive that contains files of uncorrected count rates and barometric pressures at five minute intervals for one year. A file named snm.calg.fmi.YYYY.tgz is an archive that holds five minute data for the year YYYY. ... So a file named cal01030.fmi contains five minute uncorrected data for year 2001 day 30 (which is Jan 30, 2001). ... A text file named note.txt is also usually present. ...

... User Guide ] Task: uvindex Purpose: Scan a uvdata file, and note when uvvariables change. ... Changes in source name, pointing center, number of wideband and spectral line channels, the observing frequency, and polarization are listed in the output. Key: vis The input visibility file. No default. Key: interval Reissue source information if no data for this period in minutes. The default is 60 minutes. Key: log The output log file. ... Key: options Extra processing options. ...

MINUTES of the RadioAstron Teleconference on January 19, 2011 N. Kardashev chaired the teleconference. ... NRAO and MPIfR representatives expressed their willing to correlate RadioAstron data, and they stressed the necessity of agreements on the formats of correlator logs, time-correction file, and reconstructed orbit presentation. ... New Zeland JIVE, The Netherlands ASC, Russia NRAO, USA NRAO, USA ASC, Russia ASC, Russia NRAO, USA ASC, Russia MPIfR, Germany ASC, Russia JPL, USA NRAO, USA NAIC, USA ...

STATUS REPORTS 1. SM Observatory Status - EVA 5 completed successfully. ... Other spacecraft status is nominal. ... SMS055 - replanned test calendar complete - TDRSS contacts being negotiated today. ... SMS062 - replanned test calendar complete - SMS065- replanned test calendar complete - SMS069- replanned test calendar complete - SMS072- replanned test calendar complete Merle has provided an SMS/PASS processing schedule for deliveries though early March. ... Go back to the Meeting Minutes Page ...

... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Site Info . ... It is from from Voyager 1 and shows a whopping big impact crater dominating the profile of the moon. Note that Mimas is about 400 kilometers across (about 250 miles). ... The wall around the crater is 5 kilometers high, and that central peak rises 6 kilometers above the surface (many impact craters have a large central peak which is caused by a pressure rebound from the impact). ... 2008 Phil Plait. ...

Rosalind . Uranus XIII - 1986U4 . Rosalind was named after the daughter of the banished Duke in Shakespeare's play As You Like It . It is the eighth known satellite of Uranus and was discovered by Voyager 2 . Rosalind Statistics . Discovered by . ... Equatorial radius (km) . ... Equatorial radius (Earth = 1) . ... Mean density (gm/cm^3) . Mean distance from Uranus (km) . ... Rotational period (days) . Orbital period (days) . ... Mean orbital velocity (km/sec) . ...

Turning the Camera Skyward . A reconfigured camera can take wide-field exposures of astronomical objects (constellations, the Milky Way, zodiacal light, moving artificial satellites, meteor showers, variable stars, etc.) to reveal much fainter objects and structures than seen by naked eye. ... This picture reveals objects more than 2.5 times fainter than can be seen by the naked eye, including not only stars but also the Orion nebula (M42), where new stars are being born. ...

OBSERVATIONS OF COORBITAL SATELLITES OF SATURN Emel'yanov N., Varfolomeev M. Sternberg State Astronomical Institute, Moscow, e-mail : emelia@sai.msu.ru Institut de MИcanique CИleste et de Calcul des иphИmИrides, Paris, e-mail : emelia@imcce.fr Abstract. To improve the orbital parameters and masses of coorbital satellites of Saturn, Janus and Epimetheus, new observations of these satellites are necessary. ... IN: Saturn. ... New observations of Saturn's coorbital satellites" - Icarus. ...

... All range measurements were taken from the Crustal Dynamics Data Informational System (CDDIS) and European Da­ ta Center (EDS). ... These observational data were analyzed by means of the problem--oriented programming system for ephemeris astronomy ERA (Ephemeris Research in As­ tronomy) [1], which follows basically the IERS Conventions [2]. ... That is why the observations were weighted anew according to the special procedure depending on the real quality of station. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Space Flight . Human Exploration . Robot Exploration . ... Science Fiction . UFOs and Fringe Science . ... By admin December 18, 2013 Posted in: Human Exploration . ... You can learn the true story about this voyage to the edge of space in the video below. ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ... Subscribe to Astronotes . ...

. Ce le sti al ca le nd ar . Satellites of Mars . (Orbital, physical and photometric data) . Name . Orbital Period . Semimajor Axis 1 . Mass . Radius . Magnitude 2 . d . ? 10 3 km . 1/Planet . km . m . I Phobos . 0.32 . 9.38 . 1.65 ? 10 -8 . 13.4 ? 11.2 ? 9.2 . 11.4 . II Deimos . 1.26 . 23.46 . 3.71 ? 10 -9 . 7.5 ? 6.1 ? 5.2 . 12.5 . 1 Half the length of the major axis of the ellipse; a standard element used to describe an elliptical orbit. 2 This is the mean opposition magnitude of the satellite.