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2 Edited to be longer than 400 characters. According to a more experienced SE moderator than me this should make it harder to suggest spam edits on it. Let's hope so, and that my edit is not considered trvial LOL
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You can't launch straight to GEOGeostationary Orbit (GEO) as you can't get the perigee high enough without a burn at geosynchronous altitude. The ProtonThe Proton has done that, though with a LEOLow Earth Orbit (LEO) parking orbit along the way. The Ariane 5The Ariane 5 normally launches directly into GTO-250Geostationary Transfer Orbit (GTO) — 250 km perigee and (close to) synchronous apogee. ItIt has finished all its activity by about 27 minutes after liftoff.

You can't launch straight to GEO as you can't get the perigee high enough without a burn at geosynchronous altitude. The Proton has done that, though with a LEO parking orbit along the way. The Ariane 5 normally launches directly into GTO-250 km perigee and (close to) synchronous apogee. It has finished all its activity by about 27 minutes after liftoff.

You can't launch straight to Geostationary Orbit (GEO) as you can't get the perigee high enough without a burn at geosynchronous altitude. The Proton has done that, though with a Low Earth Orbit (LEO) parking orbit along the way. The Ariane 5 normally launches directly into Geostationary Transfer Orbit (GTO) — 250 km perigee and (close to) synchronous apogee. It has finished all its activity by about 27 minutes after liftoff.

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You can't launch straight to GEO as you can't get the perigee high enough without a burn at geosynchronous altitude. The Proton has done that, though with a LEO parking orbit along the way. The Ariane 5 normally launches directly into GTO-250 km perigee and (close to) synchronous apogee. It has finished all its activity by about 27 minutes after liftoff.