EchoStar XI

{{Infobox spaceflight

| name = EchoStar XI

| image =

| image_caption =

| mission_type = Communication

| operator = EchoStar

| website =

| COSPAR_ID = 2008-035A

| SATCAT = 33207

| mission_duration = 15 years (planned)

| spacecraft_bus = LS-1300

| manufacturer = SSL

| dry_mass = {{convert|2,479|kg|lb}}

| launch_mass = {{convert|5,511|kg|lb}}

| power =

| launch_date = {{start-date|July 16, 2008, 05:20|timezone=yes}} UTC

| launch_rocket = Zenit-3SL

| launch_site = Ocean Odyssey

| launch_contractor = Sea Launch

| entered_service =

| disposal_type =

| deactivated =

| orbit_epoch =

| orbit_reference = Geocentric

| orbit_regime = Geostationary

| orbit_periapsis =

| orbit_apoapsis =

| orbit_inclination = 0 degrees

| orbit_period = 1,437.0 minutes

| orbit_longitude = 110° West

| apsis = gee

| trans_band = 29 {{Ku band}}

| trans_frequency =

| trans_capacity =

| trans_coverage = Contiguous United States

| trans_TWTA =

| trans_EIRP =

| trans_HPBW =

}}

EchoStar XI, also known as EchoStar 11, is an American geostationary communications satellite which is operated by EchoStar on behalf of Dish Network. It is positioned in Geostationary orbit at a longitude of 110° West, from where it is used to provide direct broadcasting services to the United States.{{cite web|title=ECHOSTAR 11|url=https://www.n2yo.com/satellite/?s=33207|publisher=n2yo.com|access-date=November 28, 2022}}

EchoStar XI was built by SSL, and is based on the LS-1300 satellite bus.{{cite news|title=Space Systems/Loral Delivers EchoStar XI Satellite to Launch Base|url=https://www.satelliteguys.us/xen/threads/space-systems-loral-delivers-echostar-xi-satellite-to-launch-base.137117/|date=May 29, 2008 |publisher=SatellliteGuys.us|access-date=November 28, 2022}} It is equipped with 29 {{Ku band}} transponders, and at launch it had a mass of {{convert|5511|kg}}, with an expected operational lifespan of 16 years.{{cite web|url=http://www.satbeams.com/satellites?id=2372%E2%80%8E%E2%80%8E| title= EchoStar XI (EchoStar 11) |last=SatBeams |access-date=2017-11-28}} The satellite was launched on 16 July 2008 using a Sea Launch Zenit-3SL carrier rocket flying from the Ocean Odyssey launch platform in the equatorial Pacific Ocean about {{convert|1,400|nmi}} south of Hawaii.{{cite news|title=Sea Launch boosts relay satellite for DISH Network|first=Justin |last=Ray|date=July 16, 2008 |url=https://spaceflightnow.com/sealaunch/echostar11/index.html|publisher=Spaceflight Now|access-date=November 28, 2022}}