On the 28th October 2020 Friday 2200 hours Beijing time CNSA – China National Space Administration Tianwen-1 probe completes third midway correction of orbit in which under the control of the flight control team of China- People’s Republic of China’ Belt and road initiative first Mars exploration mission, eight 25N engines of Tianwen-1 probe ignite at the same time. The third midway correction of the orbit was successfully completed, and the actual performance of the 25N engine was calibrated on orbit.
The third midway correction of the orbit was implemented to make minor adjustments to the transfer orbit after the deep space maneuver, so that the Mars rover will rendezvous with Mars at the scheduled time…..
Up to now, Tianwen-1 has been in orbit for 97 days, about 44 million kilometers away from the earth, and about 256 million kilometers in flight. The detector systems are in good condition, and the ground-based measurement, control and communication centers and stations track normally…..
Previously Tianwen-1 probe.. On the 9th October 2020 Friday 2300 hours Beijing time CNSA – China National Space Administration that under the control of the flight control team of China’s first Mars exploration mission, the main engine of the Tianwen-1 probe was ignited. In more than 480 seconds, the deep space maneuver was successfully completed. The orbital maneuver was carried out in deep space approximately 29.4 million kilometers from the earth. The orbit design of Tianwen-1 comprehensively considered various constraints from launch to Mars capture and made the propellant consumption as small as possible, and adopted the strategy of a deep space maneuver during the transfer process. The probe will rendezvous with Mars about 4 months after its current orbit, during which two or three midway corrections will be implemented……
Previous the last course correction … during On October 1st 2020, as China- People’s Republic of China also throughout the Chinese also the Asian Communities celebrates the National Day and Mid-Autumn Festival; CNSA China National Space Administration released China’s first Mars exploration mission Tianwen-1 exploration….. The image of the CNSA Belt and Road Initiative European Space Agency collaboration Martian Probe flying, the five-star red flag on the picture is dazzling, showing a bright Chinese red. This is the first deep space self-portrait of our country 天问一号 Martian probe. In the vast universe, the silver landing patrol device and the golden orbiter are shining brightly. Tianwen No.1 uses this to report safety to China and express birthday wishes.
As we all know, when taking selfies on the ground, you can use auxiliary tools such as selfie sticks to shoot after choosing the angle, light and shadow, but the selfie of “Tianwen No. 1” is not that simple. Due to its large size, if the selfie stick strategy is adopted, “Tianwen No.1” needs to use a 15-meter-long selfie stick to achieve a full-view selfie, which not only consumes resources, but is also prone to safety risks. For this reason, the Mars Orbiter Engineering Survey Sub-system Team of the Eighth Academy of Sciences proposed a “separated monitoring plan”, which is to “throw out” a light camera under suitable lighting conditions to take pictures of “Tianwen No. 1” and transmit the images in real time. Go back to the “Tianwen No. 1” probe.
Have you seen a one-time dual-head super wifi camera?………In order to successfully implement the separate monitoring program, the Eighth Academy Mars Orbiter Engineering Measurement Sub-system team needs a little guy who can “divide, shoot clearly, pass back, and hold on”: use a small, small, low-impact unlocking separation device The camera can be “divided out”; the use of colour imaging, the configuration of 800×600, 1600X1200 two-level resolution camera allows the image to be “clearly captured”; the use of super Wi-Fi communication that can achieve 400 meters of wireless communication allows data “Passed back”; the use of disposable batteries that can provide power for longer than 1 hour allows the camera to “hold on”, allowing the ground to see the full picture of the “Tianwen No. 1” rushing to the fire.
Considering that the camera may turn over as it gradually moves away from the detector, the development team designed the camera as a dual-headed front and back to ensure that the camera can capture as many detector images as possible during the turning process. After four years of research and development, this little guy weighing about 950g successfully carried the “Tianwen-1” Mars probe into space, and successfully separated the head weighing about 680g, and obtained a clear image. Successfully completed the overall visual monitoring task of “Tianwen No. 1”
The name “Tianwen”: 天問 ….. Comes from the long poem of the same name written by Qu Yuan (about 340–278 BC), one of the greatest poets of Ancient China. It is a poem of a series of questions starting with how the universe was created.
Images and visuals are from Weibo