China's Space Program Thread II
- Thread starter Blitzo
- Start date
by78
General
Ten more satellites of Geely's Geespace constellation was successfully launched by a Long March 6 earlier today. This was the 534th flight of the Long March series. With the latest batch of satellites, Geespace constellation now has 30 in orbit. By 2025, Geely expects 72 satellites in operation, which will conclude phase I of the constellation. Phase II will add 264 direct-to-cell satellites, and phase III will see additional 5,676 satellites to provide LEO broadband to global customers.
Supplemental high-resolution images from the launch.
Careful. MSS are watching.
I'm also fascinated by the planetary defense project, which to me seems like just an ASAT project. If you can destroy astroids, then you can also destroy satellites.
Space warfare does seem to be a thing to watch out for
Space warfare does seem to be a thing to watch out for
by78
General
Some presentation slides from 2022 on the Tianwen-3 Mars sample return mission. I must have forgotten to post these.
To summarize, the mission will require two Long March 5 launches, one carrying the orbiter+returner and the other carrying the lander+ascender. After soil samples are obtained, they will be transferred to the ascender, which takes off from Martian surface and rendezvous with the orbiter+returner in orbit. The samples are subsequently transferred from the ascender to the returner, which then detaches from the orbiter and carries the samples back to Earth. The mission will last some approximately two and a half years.
To summarize, the mission will require two Long March 5 launches, one carrying the orbiter+returner and the other carrying the lander+ascender. After soil samples are obtained, they will be transferred to the ascender, which takes off from Martian surface and rendezvous with the orbiter+returner in orbit. The samples are subsequently transferred from the ascender to the returner, which then detaches from the orbiter and carries the samples back to Earth. The mission will last some approximately two and a half years.
Western media reports on Chinese space activities:
The space plane has returned to Earth:
A write up of the Tianlin space telescope:
Senegal has joined the China's ILRS moon base project:
A western recap of the news about China's Mars Sample Return mission:
Papers:
Tech dev:
Mainardi smoothing homotopy method for solving nonlinear optimal control problems
Experimental study and performance analysis of a dual-mode space propulsion system pressurized by electric pump
An experimental and numerical investigation of ballistic penetration behaviors of deployable composite shells
Ejecta velocity and motion model of spherical aluminum alloy projectile hypervelocity impact on basalt
A computational methodology for invariant manifold connections between quasi-periodic libration point orbits in non-autonomous problems
Vibration-attitude integrated control of large membrane diffraction space telescope
An Accurate and Efficient Second-Order J2 Model for the Draper Semianalytic Satellite Theory
Theoretical and experimental study on combustion response of aluminized solid propellant under acceleration effects
Sampling dynamic analysis and discrete element simulation on a deep layer regolith drill for extraterrestrial celestial bodies
The space plane has returned to Earth:
A write up of the Tianlin space telescope:
Senegal has joined the China's ILRS moon base project:
A western recap of the news about China's Mars Sample Return mission:
Papers:
Tech dev:
Mainardi smoothing homotopy method for solving nonlinear optimal control problems
Experimental study and performance analysis of a dual-mode space propulsion system pressurized by electric pump
An experimental and numerical investigation of ballistic penetration behaviors of deployable composite shells
Ejecta velocity and motion model of spherical aluminum alloy projectile hypervelocity impact on basalt
A computational methodology for invariant manifold connections between quasi-periodic libration point orbits in non-autonomous problems
Vibration-attitude integrated control of large membrane diffraction space telescope
An Accurate and Efficient Second-Order J2 Model for the Draper Semianalytic Satellite Theory
Theoretical and experimental study on combustion response of aluminized solid propellant under acceleration effects
Sampling dynamic analysis and discrete element simulation on a deep layer regolith drill for extraterrestrial celestial bodies
Just emphasize that 2 CZ-5 launch is option 2 that the two launches are months apart allowing two CZ-5s being launched from the same launch pad in Wenchang.Some presentation slides from 2022 on the Tianwen-3 Mars sample return mission. I must have forgotten to post these.
To summarize, the mission will require two Long March 5 launches, one carrying the orbiter+returner and the other carrying the lander+ascender. After soil samples are obtained, they will be transferred to the ascender, which takes off from Martian surface and rendezvous with the orbiter+returner in orbit. The samples are subsequently transferred from the ascender to the returner, which then detaches from the orbiter and carries the samples back to Earth. The mission will last some approximately two and a half years.
Option 1 will demand two launches few days apart in the same window which means CZ-5 and either CZ-7A (another pad in wenchang) or CZ-3 (another site).
Another takeaway is that as of 2022, CZ-10 is not a serious consideration.
Is Wenchang spaceport safe?
It seems Wenchang was hit the most during recent Typhoon
It seems Wenchang was hit the most during recent Typhoon