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International Launch ServicesProton-M Briz-M81/24 (81P), Baikonur Cosmodrome, Republic of Kazakhstan
Echostar 21
Launched
June 8, 2017
Summary
Echostar 21 launched on an International Launch Services Proton-M Briz-M from 81/24 (81P), Baikonur Cosmodrome, Republic of Kazakhstan on June 8, 2017. It was International Launch Services's 39th launch, 1st this year and humanity's 5,649th orbital launch attempt. It was the 57th Proton-M Briz-M flight and the 1st this year. The payload was bound for Geostationary Transfer Orbit (GTO). Echostar 21, one of 3 catalogued objects, reached a 422 × 35,918 km orbit inclined 49.0°. 3 objects from this launch are catalogued, one of them a payload.
- Watch
- Clip of ILS EchoStar XXI LiftoffSharoyn Marshall
- Echostar XXI LaunchIMG/International Launch Services
- Пуск РН Протон-М с КА EchoStar 21 («ЭкоСтар-21»)Роскосмос ТВ
- Vehicle
- Proton-M Briz-M · International Launch Services
- Booster
- No booster details on record.
- Mission
- Communications · Geostationary Transfer Orbit (GTO)
- Milestone
- 57th Proton-M Briz-M flight · 1st this yearInternational Launch Services's 39th launch1st this yearhumanity's 5,649th orbital launch attempt34th orbital launch attempt this year
Webcast
Flight preview
Orbit: as tracked
Echostar 21 · NORAD 42749 · 2017-032 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- OBJECT A
- Object ID
- 2017-032A
- Epoch
- 2017-06-08 07:37:44 UTC
- Mean motion
- 2.25820484 rev/day
- Eccentricity
- 0.723204
- Inclination
- 49.0446°
- Ascending node
- 321.9601°
- Arg. of perigee
- 0.0696°
- Mean anomaly
- 7.3607°
- Element set
- 999
- Rev at epoch
- 0
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: GTO. Ascent drawn from padside's representative profile.
Catalogued objects
3 catalogued: 1 payload, 1 rocket stage, 1 component; 3 still in orbit
- Echostar 21 · NORAD 42749 · in orbit
Briz-M No. 99571 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Echostar 21, formerly known as TerreStar 2, is a geostationary communications satellite built by Space System/Loral company. Equipped with S-band transponders, satellite is tasked with providing mobile broadband services over Europe. The spacecraft, based on SSL’s 1300 bus, will be located at the 10.25° East orbital slot.
Pad
81/24 (81P), Baikonur Cosmodrome, Republic of Kazakhstan
85th launch from 81/24 (81P), 1st this year · 1,476th from Baikonur Cosmodrome, Republic of Kazakhstan
93 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
363 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Echostar 21 launch?
Echostar 21 launched on June 8, 2017. The time is known to the hour, not the minute.
Where can I watch Echostar 21?
Coverage: Clip of ILS EchoStar XXI Liftoff; Echostar XXI Launch; Пуск РН Протон-М с КА EchoStar 21 («ЭкоСтар-21»). Watch the replay
What rocket launched Echostar 21?
Proton-M Briz-M, flown by International Launch Services. Proton-M Briz-M spec sheet
Where did Echostar 21 launch from?
81/24 (81P), Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Echostar 21 reach?
Echostar 21, one of 3 catalogued objects, reached a 422 × 35,918 km orbit inclined 49.0°.
How many satellites did Echostar 21 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).