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2018. CREATED: 23 APR 05:09 2018

Цитировать(https://img.novosti-kosmonavtiki.ru/186285.jpg)Rui Barbosa‏ @rmcsbarbosa (https://twitter.com/rmcsbarbosa) 6 мин. назад (https://twitter.com/rmcsbarbosa/status/988537598476996608)

Next up for China will be a CZ-11 with 5 small sats from Jiuquan on April 26.

Цитировать(https://img.novosti-kosmonavtiki.ru/29906.jpg)Andrew Jones‏ @AJ_FI (https://twitter.com/AJ_FI) 1 мин. назад (https://twitter.com/AJ_FI/status/989380815690878976)

Looks like China has succeeded with launch of 5 Zhuhai remote sensing microsatellites on a Long March 11 from Jiuquan, at 04:42 UTC. China 12 for 12 in 2018.
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Цитировать【biu！刚刚，"贵阳一号"上天了！我们的征途是星辰大海~】biu！4月26日中午12:42分

ЦитироватьТолько сейчас «Гуйян № 1» отправился на небеса! Наше путешествие - звезда моря! В 12:42 26 апреля

Цитировать(https://img.novosti-kosmonavtiki.ru/29906.jpg)Andrew Jones‏ @AJ_FI (https://twitter.com/AJ_FI) 3 мин. назад (https://twitter.com/AJ_FI/status/989393065323442178)

China Academy of Launch Vehicle Technology confirms successful launch of 5 Zhuhai Orbita remote sensing sats via Long March 11 from Jiuquan at 04:42 UTC Thursday.

Video (https://twitter.com/i/videos/tweet/989393065323442178) (0:24)

Цитировать(https://img.novosti-kosmonavtiki.ru/234448.jpg) (https://img.novosti-kosmonavtiki.ru/234448.jpg)

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Цитировать4月26日12点42分，我国在酒泉卫星发射中心使用长征十一号固体运载火箭，以"一箭五星"的方式，成功将 "珠海一号"五颗卫星准确送入预定轨道。

ЦитироватьВ 12:42 26 апреля Китай запустил ракету-носитель CZ-11 из Центра запуска спутников Цзюцюань и успешно доставил на запланированную орбиту пять спутников созвездия «Чжухай».

ЦитироватьChina launches Zhuhai-1 remote sensing satellites
Source: Xinhua | 2018-04-26 15:34:14 | Editor: ZX

JIUQUAN, April 26 (Xinhua) -- China on Thursday sent five Zhuhai-1 remote sensing satellites into space on a single carrier rocket.

The Long March-11 carrier rocket lifted off from Jiuquan Satellite Launch Center in northwest China at 12:42 p.m. The launch was the 272nd flight mission for the Long March series of carrier rockets.

Zhuhai-1 is a commercial remote sensing satellite constellation invested in by Zhuhai Orbita Aerospace Science and Technology Co. It will provide data services for areas including agriculture, land and water resources, environmental protection and transport.

China launched two Zhuhai-1 satellites on June 15, 2017.

ЦитироватьВ Китае успешно запущена вторая группа спутников "Чжухай-1"
2018-04-26 16:27:48丨Russian.News.Cn

Цзюцюань, 26 апреля /Синьхуа/ -- В четверг в 12:42 при помощи ракеты-носителя "Чанчжэн-11" с космодрома Цзюцюань на северо-западе Китая был успешно произведен запуск второй группы спутников дистанционного зондирования Земли "Чжухай-1". Пять спутников были выведены на намеченную орбиту.

Это 272-й полет ракет-носителей серии "Чанчжэн" /"Великий поход"/.

"Чжухай-1" -- проект группировки спутников дистанционного зондирования Земли коммерческого характера. Его реализацию финансирует чжухайская компания космических технологий Orbita. Данная спутниковая группировка предназначена для предоставления услуг в области больших данных таким отраслям, как сельское, лесное, рыбное хозяйство, животноводство, земельные и водные ресурсы, охрана окружающей среды, транспорт, строительство умных городов и финансы.

Первая группа из двух спутников была запущена в космос 15 июня 2017 года, в настоящее время они работают нормально. -0-

Цитировать(https://img.novosti-kosmonavtiki.ru/186040.jpg)Chris B - NSF‏ @NASASpaceflight (https://twitter.com/NASASpaceflight) 4 ч. назад (https://twitter.com/NASASpaceflight/status/989435173887410176)

ARTICLE: Long March 11 launches multiple satellites -

https://www.nasaspaceflight.com/2018/04/long-march-11-launches-multiple-satellites/ ... (https://t.co/kS24SrfgB7)

 - by Rui C. Barbosa (@rmcsbarbosa (https://twitter.com/rmcsbarbosa))

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ЦитироватьChinese Long March 11 Launches Five Video & Hyperspectral Satellites for Zhuhai Constellation
 April 26, 2018 (http://spaceflight101.com/long-march-11-launches-satellites-for-zhuhai-constellation/) 

(https://img.novosti-kosmonavtiki.ru/154327.jpg) (http://spaceflight101.com/wp-content/uploads/2018/04/Long-March-11-Zhuhai-2018-1.jpg)
Photo: CCTV via Weibo

A Chinese, all-solid-fueled Long March 11 rocket packed with five Earth-imaging satellites lifted off fr om the country's Jiuquan Satellite Launch Center at 4:42 UTC on Thursday. Hidden under the rocket's payload fairing was the second group of commercial imaging satellites for operator Zhuhai Orbita Control Engineering Ltd., designated OVS-2A and OHS-2A through 2D – joining a growing constellation of multi-instrumented satellites to provide data for various applications including such not possible with conventional Earth observation products like still imagery.

Thursday's launch took place at 4:42 UTC when the 21-meter tall Long March 11 rocket shot up from its above-ground launch tube set up at the Jiuquan Satellite Launch Center. The Chinese did not immediately acknowledge the launch through the usual channels, though an unofficial confirmation that the launch had been successful came forward through Chinese social media around 45 minutes after liftoff.

Спойлер

(https://img.novosti-kosmonavtiki.ru/154315.jpg) (http://spaceflight101.com/wp-content/uploads/2018/04/640.jpg)
Photo: CASC/Weibo

The Chinese Academy of Launch Vehicle Technology confirmed launch success around two hours after the event and orbital tracking data collected by the U.S. will provide an independent confirmation later on Thursday.

Thursday's launch marked the 12th Chinese orbital space launch of the year and the 39th worldwide in 2018. For the Long March 11 rocket, it was the fourth overall launch since its debut in 2015 and the second of 2018 as the vehicle transitions from its demonstration phase into operational missions with another two or three flights still on the manifest for this year.

Packed under the fairing of Long March 11 were five stacked Zhuhai remote sensing satellites joining a growing constellation of commercial satellites. Operated by Zhuhai Orbita Control Engineering Ltd., the initial constellation is known as Zhuhai-1 or Orbita and comprises three different satellite types: high-resolution video satellites (OVS), hyperspectral satellites (OHS) and small personal satellites (OPS).

(https://img.novosti-kosmonavtiki.ru/154305.jpg) (http://spaceflight101.com/wp-content/uploads/2018/04/090334qhi5fbzo1mihdbbj.jpg)
Zhuhai Payload Stack – Image: Weibo via 9ifly.cn (http://bbs.9ifly.cn/forum.php?mod=viewthread&tid=90542&page=5#pid594787)

The first two satellites, OVS-1 01 and 02 also known as Zhuhai-1 01 and 02, were launched in June 2017 as secondary payloads on the Long March 4B mission that lifted China's Hard X-Ray Modulation Telescope (http://spaceflight101.com/spacecraft/hxmt/). According to the company, Thursday's launch lifted one high-resolution video satellite (OVS-2A) and four hyperspectral-imaging satellites (OHS-2A through 2D) in a configuration that had two OHS satellites ride side-by-side with OVS-2A, taking up a larger space, sitting in the primary position atop the dispenser.

Information published before the launch indicated OHS-2A was also named Qingkeda 1 and OHS-2C carried the name Guiyang 1, likely named after institutional participants or sponsors of the project. Whether the other two satellites also carry such names was not known at the time of Thursday's launch.

The OVS satellites building the video component of the Zhuhai-1 constellation are tasked with the collection of 20/25-frame-per-second, high-resolution video of targets on Earth, capable of keeping a target in view for up to two minutes by slewing to compensate for their orbital motion.

Unlike still-imaging satellites, video acquisition can be used to reveal phenomena on the ground that are in motion – making such data products useful for analysis of traffic and studying other activity that occurs at rapid progression. OVS-2A is understood to be an improved version of the prototype OVS-1 satellites, featuring a number of obvious changes like a larger telescope and solar baffle, operating at a higher optical resolution than the initial satellites which were to capture video at a ground resolution of 1.98 meters.

(https://img.novosti-kosmonavtiki.ru/154342.jpg) (https://img.novosti-kosmonavtiki.ru/154342.jpg)
Zhuhai OVS Satellite – Credit: Zhuhai Orbita

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Zhuhai OHS Satellite – Credit: Zhuhai Orbita

According to information published by Zhuhai in 2016, the OVS-2 satellites weigh between 80 and 100 Kilograms and host a three-panel solar array delivering 100 to 180 Watts of power to the satellite. The imaging system captures 25fps video of a 3.6 x 2.7-Kilometer scene on the ground with a resolution of 0.9 meters; the typical length of video collected of one ground target will be 120 seconds as the satellite compensates for its orbital motion. Data is stored in an onboard memory of 2048 GB and downlinked to the ground through a high-speed link of 300 Mbps.

The hyperspectral segment of the constellation appears to have foregone the launch of a prototype first generation satellite. According to Zhuhai, the OHS-2 satellites also weigh between 80 and 100 Kilograms and employ similar power-generation and data handling systems as their optical counterparts. The instrument payload captures data across a 140-Kilometer wide ground swath at an image resolution of five meters in a number of spectral channels spanning 350 to 1,100 nanometers. Four OHS satellites, spaced appropriately in their orbital plane, can provide a global revisit time of five days.

For Long March 11, Thursday's mission marked its fourth launch after its debut mission in 2015 with four small satellites, a second launch in November 2016 with the XPNAV Pulsar Navigation Satellite and six secondary payloads, and a third launch earlier this year that lifted a pair of Jilin video satellites and four secondary payloads.

Developed by the China Academy of Launch Vehicle Technology (CALT), Long March 11 represents a quick-reaction launch vehicle that can be kept in storage for an extended period of time and readied for liftoff on short notice, even in a matter of hours. This, of course, could be relevant for quick response missions by the military to position a satellite wh ere it is needed, when it is needed but it also comes with potential in the commercial sector by offering a launch-on-demand capability with very short procurement lead times for medium-lift missions into desired orbital regimes by remote sensing missions and Low Earth Orbit communications constellations.

(https://img.novosti-kosmonavtiki.ru/154328.jpg) (http://spaceflight101.com/wp-content/uploads/2018/04/Long-March-11-Zhuhai-2018-2.jpg)
Photo: CASC/Weibo

Long March 11 is a four-stage launch vehicle standing 20.8 meters tall, 2.0 meters in diameter and weighing in at approximately 60 metric tons. The vehicle has a liftoff thrust of 120 metric ton-force and is optimized for Low Earth Orbit Missions which typically involve the vehicle firing its first three stages in close succession ahead of a coast phase to allow the fourth stage to inject satellites into circular orbits. The rocket's first stage is the largest Solid Rocket Motor developed in China, likely drawing heritage from the country's ballistic missile program.

CZ-11 can lift 700 Kilograms into a standard 200-Kilometer orbit, 380kg can be delivered into a standard 700-Kilometer Sun Synchronous Orbit. The launcher can fly with two different payload fairings, 1.6 or 2.0 meters in diameter, to support a variety of payloads.

Launching with short prior notice can be particularly useful for military-operated missions that are subject to tight operational requirements as well as disaster response missions of Earth-imaging craft that need to be placed over a given area to deliver timely imagery for the assessment of the extent of a natural disaster. CZ-11 will be operated alongside the Kuaizhou quick-response launch vehicle that is designed for a more generic use with an integrated launcher-spacecraft system.

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Цитироватьtnt22 (http://novosti-kosmonavtiki.ru/forum/user/18282/) пишет:
НОРАД "радует"

Цитировать(https://img.novosti-kosmonavtiki.ru/30998.jpg)CGWIC‏ @CGWIC (https://twitter.com/CGWIC) 8 мин. назад (https://twitter.com/CGWIC/status/989510913022726144)

LM-11 launch vehicle successfully launches five satellites into the orbit from the Jiuquan Satellite Launch Center at 12:42 today. This launch was the 272nd mission for the Long March launch vehicle family.

(https://img.novosti-kosmonavtiki.ru/163135.jpg)

ЦитироватьChina launches five satellites by Long March-11 carrier rocket

CGTN (https://www.youtube.com/channel/UCgrNz-aDmcr2uuto8_DL2jg)

Опубликовано: 26 апр. 2018 г.

China on Thursday successfully launched a Long March-11 rocket carrying five Zhuhai-1 satellites into orbit, at the Jiuquan Satellite Launch Center in northwest China's Gobi Desert.

ЦитироватьLong March-11 launches five Zhuhai-1 satellites (长征十一号 / 珠海一号)

SciNews (https://www.youtube.com/channel/UCjU6ZwoTQtKWfz1urL7XcbA)

Опубликовано: 26 апр. 2018 г.

Цитироватьtnt22 пишет:
43439 / 2018-040A : 495 x 512 km x 97.397°
43440 / 2018-040B : 495 x 512 km x 97.400°
43441 / 2018-040C : 494 x 511 km x 97.402°
43442 / 2018-040D : 494 x 511 km x 97.392°
43443 / 2018-040E : 491 x 512 km x 97.398°

ЦитироватьLong March 11 rocket delivers five commercial satellites to orbit
April 26, 2018 (https://spaceflightnow.com/2018/04/) Stephen Clark (https://spaceflightnow.com/author/stephen-clark/)

(https://img.novosti-kosmonavtiki.ru/144221.jpg)
A Long March 11 rocket lifts off Thursday from the Jiuquan launch base. Credit: CALT

Five commercial Chinese satellites carrying video and hyperspectral imaging sensors took off Thursday aboard a Long March 11 booster.

The five small satellites are part of a larger Earth-imaging fleet under development by Zhuhai Orbita Aerospace Science and Technology Co. based in southern China's Guangdong province.

Known as the Zhuhai 1 constellation, the commercial remote sensing network will survey natural resources, cities, crops and forests, and other environmental features. Zhuhai aims to deploy 34 video, hyperspectral, and radar imaging craft over the next few years.

A solid-fueled Long March 11 rocket carried the five Zhuhai 1 satellites into orbit from the Jiuquan launch base in northwestern China's Gobi Desert. The 68-foot-tall (21-meter) Long March 11 launcher's four solid-fueled motors fired in succession to place its five satellite passengers into orbit.

Спойлер

Liftoff occurred at 0442 GMT (12:42 a.m. EDT; 12:42 p.m. Beijing time) Thursday, according to Chinese space authorities.

The China Academy of Launch Vehicle Technology, also known as CALT, confirmed the mission was successful in a post-launch statement.

(https://img.novosti-kosmonavtiki.ru/144400.jpg)
The Long March 11 rocket's payload fairing is positioned over the Zhuhai 1 Earth observation satellites before launch. Credit: Zhuhai

Officials did not announce the mission in advance, other than the publication of standard safety notices warning pilots to steer clear of downrange drop zones.

Orbital tracking data released by the U.S. military indicated the satellites were released into an orbit around 310 miles (500 kilometers) above Earth, with a ground track tilted 97.4 degrees to the equator.

Thursday's flight was the fourth launch of China's Long March 11 rocket, a relatively new member in the country's rocket fleet. The maiden flight of the quick-response Long March 11, designed for lower costs and faster call-up, was in September 2015.

The successful mission Thursday was the 12th space launch of the year from China.

Zhuhai said in a press release that four of the satellites launched Thursday are designed for hyperspectral imaging. Designated OHS-01, 02, 03 and 04, Zhuhai said the spacecraft carry detectors that are sensitive to light in 32 spectral bands, allowing the cameras to collect richer information about surface features than a typical optical instrument.

Each of the Zhuhai 1 hyperspectral satellites weighs between 175 and 220 pounds (80-100 kilograms) at launch, according to information posted on the company's website.

The hyperspectral satellites have a resolution better than 33 feet, or 10 meters, and can capture imagery in swaths around 90 miles, or 150 kilometers, wide. The four hyperspectral imaging craft launched Thursday can provide global coverage every five days, according to Zhuhai.

The nearly 200-pound (90-kilogram) video imaging craft aboard Thursday's Long March 11 launch is named OVS-2. Its video imaging instrument has a resolution of about 35 inches, or 90 centimeters, and can capture scenes 14 miles (22.5 kilometers) wide from the satellite's 310-mile-high orbit, Zhuhai officials said.

Zhuhai launched its first two video satellites in June 2017 on a Long March 4B rocket.

Five more Zhuhai 1 satellites are scheduled for launch in the second half of 2018 on another Long March 11 rocket, according to CALT.

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Цитировать(https://img.novosti-kosmonavtiki.ru/67516.jpg)Jonathan McDowell‏Подлинная учетная запись @planet4589 (https://twitter.com/planet4589) 37 мин. назад (https://twitter.com/planet4589/status/989584426979020800)

The five Chinese payloads from the CZ-11 launch have been cataloged in 495 x 511 km sun-sync polar orbit at 1100 local time descending node. The fourth stage has not been cataloged yet - it probably is in a 500 x 1000 km orbit.

Цитировать(https://img.novosti-kosmonavtiki.ru/67516.jpg)Jonathan McDowell‏Подлинная учетная запись @planet4589 (https://twitter.com/planet4589) 12 мин. назад (https://twitter.com/planet4589/status/989628879143874560)

I called that one wrong - the 4th stage from the CZ-11 launch made an orbit lowering burn and has been cataloged in a 136 x 533 km orbit from which it will reenter in a day or two

Цитировать(https://img.novosti-kosmonavtiki.ru/29906.jpg)Andrew Jones‏ @AJ_FI (https://twitter.com/AJ_FI) 7 ч. назад (https://twitter.com/AJ_FI/status/993357629400535040)

First images released from the Zhuhai-1 OHS hyperspectral imaging satellites, showing Arezzo, Italy. Satellites were launched via Long March 11 in late April.

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Спойлер

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Цитироватьtnt22 пишет:
НОРАД определился с объектами запуска