Sentences with phrase «polar orbit»

A polar orbit is when a satellite or object travels around the Earth from north to south or vice versa, passing over the polar regions. Full definition
The ice coverage has been documented since 1973 by means of passive microwave sensors on polar orbiting satellite.
The transition to a near - circular polar orbit is a tricky adjustment.
In a broad sense, whereas these new vistas come courtesy of Juno, which launched in 2011 and swooped into polar orbit around Jupiter just over a year ago, their true source is the spacecraft's most modest instrument — a camera called JunoCam considered so scientifically unremarkable that it was given a barebones operational budget and officially included only for «public outreach.»
«This is also the first time we've ever gone into polar orbit around Jupiter, under its lethal radiation belts and this close to the planet,» Jeff Lewis, Juno lead flight engineer at Lockheed Martin, said.
This includes direct data reception from polar orbiting EO satellites, processing and archiving of satellite data products, and the housing of the satellite instrument's ground - based reference systems.
The rocket placed IRIS into a sun - synchronous polar orbit that will allow it to make almost continuous solar observations during its two - year mission.
Jupiter's radiation belts prevent ground - based telescopes from seeing deeper, and so scientists are relying on Juno's daring, swooping polar orbit to provide one of the first views into the deep underworld of Jupiter's atmosphere.
From 1979 to 2005 the microwave sounding units (MSUs) and since 1998 the Advanced Microwave Sounding Units on NOAA polar orbiting satellites have measured the intensity of upwelling microwave radiation from atmospheric oxygen.
SwRI's Dr. Frederic Allegrini, Dr. Randy Gladstone, and Valek are co-authors of «Jupiter's magnetosphere and aurorae observed by the Juno spacecraft during its first polar orbits»; lead author is Dr. John Connerney of the Space Research Corporation.
Clearly, high - resolution satellite imaging and a probe that circles Jupiter in a low polar orbit are needed.
As the spacecraft operates in its 53 - day highly elliptical polar orbit of Jupiter, scientists can study the minute amount of acceleration and deceleration Juno experiences as it moves around Jupiter.
Global Surveyor and Odyssey are in low, near - polar orbits optimized for remote sensing.
Juno carries no instrument capable of directly measuring such asymmetries, but they should manifest as subtle alterations in the spacecraft's motion as it moves through its 53 - day polar orbit around the planet.
The PFO program is made up of two new polar orbiting weather satellites (JPSS - 3 and JPSS - 4) that will ensure continuity of data.
CryoSat - 2 will fly in a highly inclined polar orbit, reaching latitudes of 88 ° north and south, to maximise its coverage of the poles.
Current polar orbiting satellites can only provide a single snapshot of carbon dioxide uptake and water release each day, at the same time of day, so scientists have to estimate how that one - time snapshot translates over the course of the entire day.
Unprecedented views of surface wind and wave fields in storms are now provided by microwave sensors on - board polar orbiting satellites.
Yes, the lack of geostationary satellite coverage over the Indian Ocean and limited use of NOAA AVHRR polar orbiting imagery is apparent in that step-wise increase.
EUMETSAT operates four geostationary Meteosat spacecraft which provide frequent observations vital for severe weather warnings, and two Metop polar orbiting satellites which supply a unique wealth of ocean, land and atmospheric parameters essential for forecasting high impact weather up to 10 days in advance.
Many of the satellites in NASA's Earth Observing System have a nearly polar orbit.
The UKMO series (as in Figure 2.5 a) does not include polar orbiting satellite data because of possible time - varying biases in them that remain difficult to correct fully (Reynolds, 1993) though the NCEP (National Centers for Environmental Prediction) data (adapted from Smith et al., 1996 and Reynolds and Smith, 1994), starting in 1950, do include satellite data after 1981.
Thus the Reynolds and Smith (1994) and Smith et al. (1996) data, which incorporate polar orbiting satellite temperatures, utilise skin temperatures that have been adjusted to estimate bulk SST values through a calibration procedure.
Since 1978 microwave sounding units (MSUs) on National Oceanic and Atmospheric Administration polar orbiting satellites have measured the intensity of upwelling microwave radiation from atmospheric oxygen, which is related to the temperature of broad vertical layers of the atmosphere.
However the CERES equatorial satelite doesn't work and the other 2 are at polar orbits what means that you get readings always at the same time of the day.
This observation's well timed, because the NASA space prone Juno is set to arrive in polar orbit around Jupiter on Monday, July 4, on a mission to measure the properties of the solar winds themselves and Jupiter's atmosphere.
Outside the research office, NOAA's major satellite programs (GOES - R and JPSS) would be maintained, while the Polar Follow On initiative — which seeks to fill a looming weather data gap from polar orbit — would be zeroed out in favor of reliance on commercial data.
«We are ideally located to launch into polar orbit and have an unobstructed range for launching,» Campbell said.
Stuart Clark describes how a superfluid Bose - Einstein state of dark matter particles might explain the streams of dwarf satellite galaxies in polar orbit around the Milky Way and Andromeda galaxies (2 April, p 30).
The orbiter's final operational altitude is about 250 miles (400 km) above Mars in a sun - synchronous polar orbit.
Jupiter's magnetosphere and aurorae observed by the Juno spacecraft during its first polar orbits.
The spacecraft, weighing 6,468 pounds at launching, is to be placed in a low polar orbit 428 miles high that has it circling the earth top to bottom every 99 minutes.
Juno will circle Jupiter in a long, elliptical polar orbit.
Because of Juno's swooping polar orbit that takes it breathtakingly close to the planet, most of JunoCam's images of these features are distorted into an hourglass shape due to foreshortened horizons; the colors are pale, the outlines of clouds hazy.
While the Planet Labs staff ate pancakes that morning in February, two shoebox - size nine - pound pods made in the company's unconventional factory floated from the International Space Station toward a polar orbit of Earth.
That would fulfil US troops» weather - prediction needs, but would not provide the polar orbit needed to study sea ice.
The satellite will circle Earth in a polar orbit (flying over both poles), following the so - called terminator — the divider between day and night on the planet below.
GeoEye's IKONOS, currently its premier satellite, provides resolution at better than one meter, but the company plans this August to launch GeoEye - 1, a polar orbiting satellite equipped with a camera that can capture up to 700,000 square kilometers of black - and - white and 350,000 square kilometers of color imagery a day.
Many reconnaissance satellites follow a north - south path — known as a polar orbit — that allows them to view the entire Earth every day.
Since then, they have been zipping around Earth in a polar orbit, one satellite about 137 miles ahead of the other.
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