Цюэцяо – CZ-4C – Сичан (XSLC) – 20.05.2018, 21:28 UTC

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Andrew Jones‏ @AJ_FI 14 мин. назад

Another look at the launch, in all its wobbly glory.


(video 0:18 )

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Andrew Jones‏ @AJ_FI 6 мин. назад

Longjiang 1 & 2 microsatellites successfully separated from launch vehicle #queqiao

BG2BHC‏ @bg2bhc 6 мин. назад

DSLWP-A/B successfully seprated from vehicle @AMSAT @AmsatUK

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2.5-минутная запись пуска со смартфона
https://v.qq.com/x/page/h0660vjgtd5.html

http://ugc-vliveochy.tc.qq.com/om.tc.qq.com/ACdEt1WeZ_f5P64VFOUrVCKRTQOaI4VaUA3dNAwcEbQU/h0660vjgtd5.p712.1.mp4?sdtfrom=v1010&guid=e05fa3c640baf89b9c90f7ea619eb8f0&vkey=0B6C729A932562866058C8332870B7C7399F5335A5B8874755F0684D9F60E6B944A39CA24D283991AA4EA6651911F37DAACC26FAA4C199338A19E3E7FD31B4388E92E27744607731B4C7D925D559DE05325AE4E3C1E54B5914C58FDB3425D2FF272E3C6292C84CB6C59ED6A750C4CE264C2D17158C077948&ocid=1320424876
(video 2:36)

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Radboud Radio Lab‏ @RadRadioLab 2 мин. назад

Some close-up shots of the rocket before launch. more to come .. stay tuned. @ASTRON_NL @isis_space @Radboud_Uni @RUastro

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http://www.xinhuanet.com/english/2018-05/21/c_137193547.htm

China launches relay satellite to explore Moon's far side
Source: Xinhua | 2018-05-21 06:30:08 | Editor: yan

XICHANG, May 21 (Xinhua) -- China launched a relay satellite early Monday to set up a communication link between Earth and the planned Chang'e-4 lunar probe that will explore the mysterious far side of Moon.

The satellite, named Queqiao (Magpie Bridge), was carried by a Long March-4C rocket that blasted off at 5:28 a.m. from southwest China's Xichang Satellite Launch Center, according to the China National Space Administration (CNSA).

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Andrew Jones‏ @AJ_FI 4 мин. назад

Chang'e-4: Main space programme contractor CASC confirms successful launch and insertion in lunar transfer orbit for the #Queqiao relay satellite

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Фотогалерея пуска (по ссылке - 9 фото)

https://www.weibo.com/6528178851/GhCBbygR2?type=comment#_rnd1526856364823

https://img.novosti-kosmonavtiki.ru/240321.jpg


https://img.novosti-kosmonavtiki.ru/240322.jpg

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BG2BHC‏ @bg2bhc 17 мин. назад

DSLWP-A/B downlink conformed by PY2SDR then CD3NDC

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Официоз от CASC

https://mp.weixin.qq.com/s/DgstuyN4_txO_W1SeZtoow

5月21日5点28分，在我国西昌卫星发射中心，由中国航天科技集团有限公司抓总研制的嫦娥四号中继星"鹊桥"搭乘长征四号丙运载火箭升空。卫星由火箭送入近地点约200公里、远地点约40万公里的地月转移轨道。

В 5:28 21 мая из Центра запуска космических аппаратов Сичан в Китае ракетой-носителем "Великий поход-4C" осуществлён запуск космического аппарата-ретранслятора «Цюэцяо» для лунной миссии Chang'E-4, разработанный Китайской аэрокосмической научно-технической корпорацией (КАСК). Спутник выведен на переходную орбиту «Земля-Луна» с перигеем около 200 км и апогеем около 400 000 км.

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Andrew Jones‏ @AJ_FI 3 мин. назад

And the 448 kg Queqiao Chang'e-4 relay sat before launch

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Синьхуа

http://russian.news.cn/2018-05/21/c_137193561.htm

В Китае осуществлен запуск спутника-ретранслятора для лунного зонда "Чанъэ-4"
2018-05-21 07:05:10丨Russian.News.Cn

Сичан, 21 мая /Синьхуа/ -- Китай запустил в понедельник утром спутник-ретранслятор, предназначенный для установки связи между Землей и лунным зондом "Чанъэ-4".

"Чанъэ-4" будет запущен в конце нынешнего года и совершит первую в истории человечества посадку на обратной стороне Луны. Прямая связь с обратной стороны Луны невозможна, что является одним из главных вызовов миссий "Чанъэ-4".

Спутник-ретранслятор под названием "Цюэцяо" будет отвечать за передачу сигналов между наземной станцией и луноходом "Чанъэ-4".

Спутник-ретранслятор был запущен с помощью ракеты-носителя "Чанчжэн-4C" в 5:28 с космодрома Сичан на северо-западе Китая, сообщило Китайское космическое агентство. -0-

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https://gbtimes.com/china-launches-queqiao-relay-satellite-to-support-change-4-lunar-far-side-landing-mission

China launches Queqiao relay satellite to support Chang'e-4 lunar far side landing mission
by Andrew Jones | May 21, 2018 01:44 | CHINA ▪ MOON ▪ XICHANG

China has successfully launched a lunar communications relay satellite designed to support an unprecedented mission to put a lander and rover on the far side of the Moon in late 2018, as well as carry out pioneering astronomy.

The Chang'e-4 relay satellite, accompanied by two microsatellites, lifted off atop a Long March 4C rocket from the Xichang Satellite Launch Centre at 21:28 UTC on Sunday (05:28 Beijing time, May 21).

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The spacecraft was successfully ins erted in to a lunar transfer orbit and separated from the rocket's upper stage, the China Aerospace Science and Technology Corporation (CASC) – the main contractor for the space programme – confirmed just under an hour after launch.

Named 'Queqiao' – referencing a 'Magpie Bridge' from a Chinese folklore of lovers crossing the Milky Way – the relay satellite is now on an 8-to-9 day journey to the second Earth-Moon Lagrange point (E-M L2) some 60-80,000 kilometres beyond the Moon and nearly half a million kilometres from Earth.


An animated demonstration of the role of the Queqiao Chang'e-4 lunar relay satellite. CAS

The main aim of the mission is to provide a means of communications for setting down and operating a lunar lander and rover on the far side of the Moon, a feat that has never been attempted.

As the Moon is 'tidally locked', taking the same time to go around the Earth as it does to rotate once, the lunar far side never faces the Earth. The landing mission thus requires a communications relay satellite with simultaneous line-of-sight to both the lander and rover on the Moon and terrestrial ground stations.

The gravitationally stable E-M L2 will allow for a stable orbit from which the satellite can perform this task.

Queqiao will make a lunar swing-by to send it towards its intended destination beyond the Moon and use its own propulsion to enter a halo orbit around the Lagrange point.


Image demonstrating a halo orbit around the second Earth-Moon Lagrange point, from which the Chang'e-4 communications relay satellite will operate. NAOC/CAS

Once in place the 448 kg CAST100 satellite, developed by the China Academy of Space Technology (CAST), a spacecraft maker under CASC, will undergo testing of its 4.2m parabolic antenna and functions ahead of the landing mission which will take place in around six months.

The relay satellite marks China's fifth lunar mission, following two orbiters, Chang'e-1 in 2007 and Chang'e-2 in 2010), the 2013 Chang'e-3 lander and rover, and a 2014 test lunar return mission.

In 2019 China will launch the Chang'e-5 mission to collect 2 kg of samples from the Moon and bring them to Earth.

Today's launch was China's 15th of the year, with the country aiming for a national record of around 40 in 2018.


The Long March 4C rocket at the Xichang Satellite Launch Centre on May 20, 2018. Courtesy of Marc Klein Wolt
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Upd ate

http://www.xinhuanet.com/english/2018-05/21/c_137193551.htm

China launches relay satellite to explore Moon's far side
Source: Xinhua | 2018-05-21 06:50:11 | Editor: yan

XICHANG, May 21 (Xinhua) -- China launched a relay satellite early Monday to se t up a communication link between Earth and the planned Chang'e-4 lunar probe that will explore the mysterious far side of Moon, which can not be seen fr om Earth.

The satellite, named Queqiao (Magpie Bridge), was carried by a Long March-4C rocket that blasted off at 5:28 a.m. from southwest China's Xichang Satellite Launch Center, according to the China National Space Administration (CNSA).

"The launch is a key step for China to realize its goal of being the first country to send a probe to soft-land on and rove the far side of the Moon," said Zhang Lihua, manager of the relay satellite project.

About 25 minutes after liftoff, the satellite separated from the rocket and entered an Earth-Moon transfer orbit with the perigee at 200 km and the apogee at about 400,000 km. The solar panels and the communication antennas were unfolded.

Queqiao is expected to enter a halo orbit around the second Lagrangian (L2) point of the Earth-Moon system, about 455,000 km from the Earth. It will be the world's first communication satellite operating in that orbit.

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But the mission must overcome many challenges, including multiple adjustments to its orbit and braking near the Moon and taking advantage of the lunar gravity, Zhang said.

In a Chinese folktale, magpies form a bridge with their wings on the seventh night of the seventh month of the lunar calendar to enable Zhi Nu, the seventh daughter of the Goddess of Heaven, to cross and meet her beloved husband, separated from her by the Milky Way.

Chinese scientists and engineers hope the Queqiao satellite will form a communication bridge between controllers on Earth and the far side of the Moon wh ere the Chang'e-4 lunar probe is expected to touch down later this year.

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Monday's launch was the 275th mission of the Long March rocket series.

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НОРАД зарезервировал 4 номера под объекты запуска:
43470 /  2018-045A
43471 /  2018-045B
43472 /  2018-045C
43473 /  2018-045D

с одинаковым набором TLE

Код Выделить Развернуть

0 TBA - TO BE ASSIGNED
1 4347xU 18045y   18140.97000000 -.00010094  00000-0  00000+0 0  999x
2 4347x  27.5020 209.5210 9658153 171.2240   2.0960  0.09844104    1zx - 0, 1, 2, 3
y - A, B, C, D
z - 7, 8, 9, 0

395 x 383 110 km x 27.5°

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CCTV13, 9-тичасовые (BJT) новости

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China launches relay satellite for Chang'e-4 lunar probe

CGTN

Опубликовано: 20 мая 2018 г.

(0:55)

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A step closer to Human's first experience of the far side of the Moon

CGTN

Опубликовано: 20 мая 2018 г.

(1:34)

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China Launches Relay Satellite to Explore Moon's Far Side

CCTV+

Опубликовано: 20 мая 2018 г.

(1:03)

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China launches relay satellite to explore mysterious far side of Moon

New China TV

Опубликовано: 20 мая 2018 г.

(0:52)