Guide Satellite L-21 (Satellie L-21)

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Articles

  1. Associated Data
  2. An Introduction
  3. Satellie Sisters – Satellite Sisters
  4. Satellite simulation

Gazprom Space Systems. Placeholder for Turksat 4B satellite. In August the satellite was moved to China Satellite Communications Co. China Satcom. Ku, C and Ka-band capacity to serve the demands of communication, satellite broadcasting, data transmission, digital broadband multimedia system and media streaming services in Africa, parts of Europe, the Middle East and central Asia. Due to partial launch failure the satellite was released at lower orbit than expected and the apogee motor fuel was used to boost it to the right orbit.

Therefore the expected lifetime is reduced to 11 years. Planned for relocation to 56East orbital position to support the ageing Bonum-1 satellite. Twenty channels, telecommunications services between Europe and the Americas. Roscosmos Russian Federal Space Agency.

Due to financial issues the broadcasting operations were stopped on March 31, Relocated to C-band and Ku-band capacity to provide broadband and video distribution services across Africa, Europe, the Middle East and Asia. The satellite will also enhance mobile connectivity for aero, maritime and government users operating in the Indian Ocean region.

First satellite of Global Xpress network. Planned for relocation to Replacing Intelsat 7 and Intelsat 10 at The payload includes 32 Ka x Ku-band forward link transponders and 8 Ku x Ka band return link transponders that will generate a capacity of more than 12 Gbps for users from a single platform. On 25 August , Telkom 1 lost contact and suffered a massive debris shedding event. Satellite experience technical failure on Jul 4 Replacement satellite for Express AM4. Unfortunately Breeze-M 2-nd stage failed to get the satellite to the right orbit and it was declared totally lost on August 30 Thales Alenia Space will supply the communications payload.

Destruction du satellite espion américain USA-193 / NRO-L21

India land mass and wide coverage. ISRO lost the contact with the satellite during the orbit raising maneuvers but keeps trying to bring the satellite to the safe mode. Insat-4A replacement satellite will provide high-quality television, telecommunications and broadcasting services. Singapore Telecommunications Ltd. Certain channels in each beam are cross-strapped to multiple frequency bands, enabling flexibility for new services.

In the addition, the spacecraft features a Ka-band payload. It will also have a flexible multi-beam processed payload for providing broadband services covering a large expanse from Africa to Russia, Japan and Australia. Replacing NSS-6 satellite. Asia Satellite Telecommunications Co. After conducting 10 orbital adjustments with its onboard thrusters, Zhongxing-9A has reached its preset orbit.

Associated Data

Ku-band satellite to provide television broadcasts for pay-television service. The satellite will serve as a successor to the N-SAT satellite. S-band mobile communications payload, C- and Ku-band capacity to provide services to East Asia and Japan. Will be similar to and co-located with BSAT-4a at degrees East Longitude and function as a back-up that will secure highly-reliable services. Due to the power anomaly in one of the satellite's two solar panels 6 Ku-band and 6 C-band transponders were switched off so that there is enough power for the remaining 12 transponders 6 Ku and 6 C-band.

As the carrier's third stage failed to get the satellite to the planned orbit, its newton apogee motor was subsequently used in a non-nominally mode to raise it into geostationary orbit. Due to the expenditure of fuel during these maneuvers, it is expected to have enough fuel for about ten years of operations. ABS-8 will operate in Ku-band, C-band and Ka-band and the payload will have a combination of widebeam shaped coverage and high throughput spot beams for substantially higher throughput and improved economics This satellite will expand broadcast, data and enterprise services to multiple markets: the Middle East, Russia, Southeast Asia, South Asia and the South Pacific region.

Due to the failure of Breeze-M upper stage the satellite was left on off-nominal intermediate orbit. C, Ku, and Ka-band, transponders.

An Introduction

It will be located at degrees East Longitude where it will replace AsiaSat 4. Launched by an Ariane 5 rocket on 12 July , it originally reached an orbit much lower than planned km x km due to a malfunction in the launch vehicle's upper stage. It was remotely reconfigured to reach its intended station by means of a novel procedure.

First, over the course of about a week, most of its chemical fuel was used to put it in a 31, km circular orbit by raising first the apogee then the perigee, going via a km x km orbit. Then, its electric-ion motor — originally intended for station keeping and for firing a few minutes at a time — was instead kept running for most of 18 months, pushing the spacecraft into an outward spiral trajectory.

Satellie Sisters – Satellite Sisters

It gained altitude at the rate of about 15 km per day, until it reached the intended geostationary orbit. On January 1, Avanti, a London-based company, took the ownership of the satellite as well as Additionally, two steerable antennas will provide coverage for new and emerging markets.

DFH-5 Bus. In-orbit backup satellite to the existing services in the Ku- and Ka-band for the Japanese market, enabling the provision of more stable satellite services.

Tanegashima Space Center. Ka-band transponders enabling super high-speed data communications of up to 1. Khrunichev bus. Due to the failure of Breeze-M upper stage the satellite was left on off-nominal unusable orbit. Ka-band spot beams transponders to provide data services 25 Mbps of speed to Australia, Norfolk, Christmas, Macquarie and Cocos Islands.

Spacebus NEO. Ka-band VHTS capacity to provide more than gigabits per second over the full Indonesian territory. Digital TV. Ku and Ka-band HTS 56 narrow beams mission over Asia Pacific including Far East Russia as well as a traditional wide-beam mission over East Asia, in response to not only mobility and broadband demands but also government and cellular backhaul demands.


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The C-band coverage will be used for both broadcast and data networks and the satellite's Ku-band regional beams will provide high-speed connectivity for maritime, aviation and resource exploration use. Will replace JCSat 2A. Planned for relocation to East position and renamed to ABS 6. Moving to East orbital position where it will be renamed as ABS 6. Ku-band and Ka-band Japan beam and Ku-band steerable beam.

Satellite simulation

Replacement to Superbird B2 satellite. Provides telephone, TV, mobile communications, air traffic control. Also has 1 L-band tranponder, Ka-band beacon and laser retroreflector. Data received from the satellite indicate that the south solar array is damaged, and that the power available to the satellite will be reduced. Planned to be moved to East orbital slot.

Deorbited as of Dec 26, Planned for relocation to E orbital position as of Jan In-orbit backup satellite. Joint venture with Intelsat. All-Electric Satellite with 14 C-band transponders, 36 Ku-band transponders and high throughput Ku-band payload to provide continuity and expansion capacity at this orbital position. Moving to East W location. Planned for relocation to W orbital location. The satellite is leased to GoGo Air in-flight connectivity services and will be moved to the new orbital spot at Backup satellite.

License extended till October 25, The satellite was restored to operational state after anomaly and is currently in operation at West position. It will also carry a hosted payload enabling the U. Planned to be stationed at Satellites Mexicanos S. The satellite was lost at the launch due to the failure of Proton's 3-rd stage.

S-band transponders to provide new-generation mobile communications services across the United States and Canada. First commercial military X-band payload 3 transponders with coverage over the Americas and the Pacific Ocean including Hawaii. In-orbit testing at W orbital positions. Leased to Echostar Satellite Services. Planned for IOT testing at Planned for IOT at Echostar 19 Jupiter 2, Spaceway 5, Echostar Operating at Backup satellite for Nimiq 1. Bell TV has agreed to fully lease this new satellite for its lifetime to serve the fast-growing number of Bell TV subscribers across Canada.

Ka-band capacity is leased to Viasat. There is also Ka-band payload present on the satellite although not licensed by FCC to be used at 87W position. Operating temporary at It will enhance the existing XM satellite fleet, ensuring XM subscribers across North America continue receiving high-quality, digital-music, entertainment and data services. Third of Spain's communications satellites with government, commercial and military application. Moved to graveyard orbit. Fully leased to Bell TV. Since there must be a reasonable space between satellites to avoid collisions but more importantly to avoid harmful radio-frequency interference during operations there can only be a limited number of orbital "slots" available for GEO satellites and there are hundreds of commercial and government satellites vying for allocation of these slots and the frequency allocations that go with them.

Low Earth Orbit LEO satellites can be launched directly into the desired orbits and don't need the complex orbital manoeuvres required by GEO satellites to place them in position. They also require less energy to place them into orbit and they can use less powerful amplifiers for successful transmission of communications.


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Because of their lower orbits, LEO satellites are able to distinguish details of the Earth's surface much more clearly as they are not so far away so they are ideal Earth observation, remote sensing and surveillance.