F.; Ivanov, N.M.;" citation (section 2: EVOLUTION OF THE “MOLNIA” TYPE ORBITS). Russia and its neighboring countries up in the north frequently use the Molniya orbit. The name comes from the Molniya satellites, a series of Soviet/Russian civilian and military communications satellites which have used this type of orbit since the mid-1960s.
For the original Molniya orbit, the apogees were placed over Russia and North America, but by changing the The orbits of the three spacecraft should then have the same orbital parameters, but different right ascensions of the ascending nodes, with their passes over the apogees separated by 7.97 hours.Figure 4: A constellation of three Molniya spacecraft providing service for the Northern hemisphere. This also leads to the precession of the orbit by 52°–54° yr −1 in the negative direction for the ascending node Ω. It would be good to mention in the caption that while the lines in the southern hemisphere look longer, the satellite travels faster in the southern hemisphere and spends more time in the Northern Hemisphere (over Russia and then over canada 12 hours later). The figures are far from the text that refers to them and do not clearly demonstrate the concepts that the text tries to convey. There is a discrepancy between the orbital parameter at the start of the article and in the middle that might come from different sources. Soviet missile launch-detection satellites would fly this orbit, positioned such that the continental U.S. was right on the edge of the earth's sphere, as seen by the satellite's cameras.
The argument of perigee is set at 270°, causing the satellite to experience apogee at the most northerly point of its orbit. The raw data for such a list can be produced by submitting an appropriate query at "a sub-satellite point of 63.4 degrees north" only happens once per orbit when the satellite passes through apogee. The Molniya Orbit. Have a definition for Molniya ?
The definition of Molniya orbit is not accurate enough to make the statements false and both sets of orbital parameters satisfy the technical requirements of Molniya orbits, however, the discrepancy may be confusing to the user. If the author can not find such a video as a reference already out there, it should be easy to generate one with tools like GMAT. A list of satellites (and families of satellites) that use Molniya orbits (in the past and the present) would enhance the article and may help resolve the ambiguity between the difference sources by fleshing out the different possible orbits that can still be considered Molniya.
alimony A Molniya orbit is a type of satellite orbit designed to provide communications and remote sensing coverage over high latitudes. The Molniya orbit has a long dwell time over the Satellites placed in Molniya orbits have been used for television broadcasting, telecommunications, military communications, relaying, weather monitoring, early-warning systems and some classified purposes.
Ellipsis of Molniya orbit; Anagrams []. L'orbite de Molnia doit son nom à la série de Pour les télécommunications, l'orbite de Molnia permet une couverture 24 heures sur 24 des régions polaires avec une constellation de trois satellites. Molniya orbit is the second common medium Earth orbit. The current text may create the false impression that the satellite spends all of the time (instead of much of the time) at high latitudes. A short video clip that demonstrates the orbit (including both 3D view from above the pole and a ground track on a Mercator projection map cold significantly improve both readability and the quality of the article. Jump to navigation Jump to search.
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