IT House February 12 news, china manned space engineering office announced that since the Chinese space station core module launched into orbit, the China manned space engineering office every day on the official website to release the Chinese space station near / apogee, inclination and other orbital basic parameters.
In order to facilitate all parties to carry out orbital analysis work such as space target collision avoidance, from now on, the China Manned Space Engineering Office will release the number of TLE orbital roots of the Chinese space station on the official website every day for the reference of various space entities.
IT House understands that the orbital root number is a description of the six parameters necessary for the orbit of a celestial body or spacecraft under the action of Newton's laws of motion and Newton's law of universal gravitation to determine its orbit when moving in its Kepler orbit:
Orbital inclination (i)
Elevation Point Yellow Sutra (Ω)
Eccentricity (e)
Perihelion spoke angle (ω)
Semi-major axis (a)
At the angle of the point of the specified epoch (Mo)
The full name of the TLE is Two-Line Element, which, as the name suggests, is two rows of data. Take the latest data from the Chinese space station released on February 12 as an example:
The first line represents the space station number, international number, date (43rd day of 22 years), time and other data;
The second row represents the space station number, orbital inclination, upshoot point equatorial longitude and other data.
This TLE data represents orbital data for the Continental Space Station. Earlier, the Chinese Permanent Mission to the United Nations (Vienna) submitted a note verbale to the Un Secretary-General in early December, saying that the Starlink satellite launched by the US Space Exploration Technology Corporation (Spacex) has approached the Chinese space station twice this year, posing a danger to the lives and health of astronauts carried by the Chinese space station. For security reasons, the Chinese space station assembly has twice implemented "emergency collision avoidance" for relevant US satellites.