Sidus Space(SIDU) stock is getting a boost from a launch agreement withSpaceX. That covers five launches starting in early 2023. This will support the company's plans for a low-orbit satellite constellation. Source: Blue Planet Studio/ShutterstockSidus Space(NASDAQ:SIDU) stock is rising higher on Wednesday after the company announcedan agreement with Elon Musk’sSpaceX.That agreement has Sidus Space securing five launch agreements with the rocket company. These will start in early 2023 and will take its LizzieSatTM multi-mission low Earth orbit (LEO) satellites into orbit.Sidus Space already got approval in 2021 to set up a constellation is satellites operating in low earth orbit. The launches will support agreements with NASA and Mission Helios for payload deliveries and space-based data c