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Although the media attention linked to the NASA is currently aimed at the James Webb Space Telescope, the US space agency is conducting many other operations, including preparations to launch the large NASA SLS space rocket dedicated to Artemis I mission. After the success of the Wet Dress Reharsal test in June, the probable launch dates for the mission have now been released.
Recall that the Artemis I mission it does not foresee a crew having to test all the new components and having to take the human being beyond the low earth orbit in the following ones, which did not happen from the Apollo missions. If all goes as planned, we will have to wait a long time to see the launch of Artemis II (without moon landing) and Artemis III (where the moon landing should take place). Currently the year that seems most promising for the human being to set foot on moon is that of 2026, but there could be further delays.
NASA SLS and Artemis I: the possible dates for the launch
According to a recent space agency conference regarding the Artemis missions, there are three possible windows between late August and early September. In particular, the earliest date for the launch of NASA SLS for Artemis I it will be on 29 August at 14:33 (two-hour window for departure) with the return to Earth which should take place on 10 October. It will then move on to 2 September at 6:48 pm (two-hour departure window) with the return scheduled to take place on 11 October. Finally we will move on to October 5th at 11:12 pm with the return which should take place on October 17th (window of 90 minutes for departure).
In particular if it is Space Launch System should it be launched on 2 September, the mission will last 39 days instead of the 42 days foreseen by the other two launch possibilities. A difference that will not be significant in terms of testing. The space rocket is expected to leave the Vertical Assembly Building of the Kennedy Space Center, where it is currently located for the final repairs and final tests, by August 18.
On 11 August, however, the system for the destruction of the rocket will be installed if it should be out of control (Flight Termination System or FTS). The main problem concerns the batteries of this system which are located in an area not reachable by the launch tower. If the launch is postponed beyond September 5, it will be necessary to return the rocket to the VAB, postponing the next attempt to October.
There are obviously some possible complications: for example, the preparatory work for the launch may not be as fast as required. Then there are the weather conditions that could affect the launch of NASA SLS. There Orion capsule it will return to Earth and land in the Pacific Ocean off the coast of San Diego.
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