Key factors contributing to the shorter travel time:
Simplified station design:
Tiangong is a smaller and more modular station compared to the ISS, with fewer modules and less complex internal systems, requiring less time to connect to.
Optimized launch trajectories:
China's space program has likely optimized launch trajectories specifically for reaching Tiangong, potentially leading to a more direct path compared to the ISS.
Advanced autonomous docking technology:
China has invested heavily in automated docking systems, allowing for quicker and more precise rendezvous and docking with the Tiangong station.
Lower orbital altitude:
Tiangong may orbit at a slightly lower altitude than the ISS, reducing the travel distance for the Shenzhou spacecraft.
Newcomerdude 发表评论于 2024-11-16 16:06:25
The reason a Shenzhou spacecraft takes less time to reach the Tiangong space station compared to a SpaceX craft reaching the International Space Station (ISS) is primarily due to the design and proximity of the Chinese space station, which is smaller, more compact, and often positioned closer to Earth's orbit, allowing for quicker rendezvous and docking maneuvers compared to the larger, more complex ISS; additionally, China has heavily invested in automated docking technology, making the process faster and more efficient.
Newcomerdude, 天宫和国际空间站的轨道高度差不多,而且交会对接跟空间站的大小或者复杂程度应该没有关系,主要是同节点仓的接口的对接。你说的其他两个因素倒是有道理。我只是不明白为什么区别会这么大。照理说空间站经过这么多年,对接流程应该跟成熟,需要的时间更短才对。
~~~~~
距离地球两者差一百公里看维基tss300多公里,iss400多。但时间也确实长了好多