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Ottawa investing $200-million in Nova Scotia spaceport to enable sovereign satellite launches
(www.theglobeandmail.com)
this post was submitted on 17 Mar 2026
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Isn't it necessary to launch closer to the equater? Or is that not really necessary for modern rockets? They get something like a 500mph speed boost at the equator compared to Nova Scotia.
Necessary, no. Better, yes.
The more delta-v you require (so plus or minus that 500km/h) and the more payload you have, the more rocket you need. If you have fixed rocket size and/or a fixed budget, launching at high latitude translates into either less delta-v left over to go places or less payload.
There are partial or full exceptions if you're launching into certain orbits. For a mapping satellite that goes straight north/south as the Earth rotates below I would guess you might even prefer a higher-latitude launch.
It's not necessary, just cheaper. It also depends on what orbit you want the satellite to go to and what direction the coast is facing. The extra speed you get from spinning slightly faster at the equator than at 45 deg latitude is not significant (500mph vs 25,000mph). Inclination of the orbit is way more important, since Inclination changes are VERY VERY expensive. So if you are launching geostationary satellites, like DirecTV or some other regional capability, then you want very close to the equator. If you are launching an inclined orbit, like GPS or LEO satellites like Starlink, then you can choose a location that is close in latitude to the inclination you want to hit. Or you can choose a location that has a coastal direction that allows you to aim your rocket over water at the inclination angle you want to hit.