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We have 5 spaceflight launch windows to go from Earth to Mars between 2020-2030: Q3 2020: Unfortunately, Starship will not be ready for this window. Q3 2022: The focus may be for the #dearMoon mission in 2022, still, we can see the first few cargo/logistics missions in this window if SpaceX could work it both in parallel. Q4 2024: This is the ...
To make sure the spacecraft and Mars arrive at the same place at the same time, the spacecraft must launch within a particular window of time. This window is called the “launch window” and, depending on the target, can be a few minutes or as much as a few weeks in length.
See the launch window used by the Mars Global Surveyor spacecraft to the planet Mars at [1]. Instantaneous launch window. Achieving the correct orbit requires the right ascension of the ascending node (RAAN). RAAN is set by varying a launch time, waiting for the earth to rotate until it is in the correct position.
The launch window is the time period on a given day during which the rocket must be launched to achieve its designated mission goal. The targeted launch window for Perseverance extends from 9:15 to 11:15 a.m. EDT (6:15 to 8:15 a.m. PDT) on July 20 — the first day of the launch period.
Figure 1 shows windows for Earth-Mars transfers between 2015 and 2025. The blue line shows the sum of hyperbolic excess velocity in Earth departure and Mars arrival.
The mission is timed for launch when Earth and Mars are in good positions relative to each other for landing on Mars. That is, it takes less power to travel to Mars at this time, compared to other times when Earth and Mars are in different positions in their orbits.
1 paź 2020 · The weather at Mars, the type of launcher and the laws of physics governing the planets determined a 12-day launch window starting on 20 September 2022. Efficient orbital transfers, good communications and no large dust storms on the martian horizon make the chosen trajectory the fastest and safest choice.
