Sea LaunchZenit 3SLB45/1, Baikonur Cosmodrome, Republic of Kazakhstan
Intelsat 18
Launched
October 5, 2011 · 21:00 UTC
Summary
Intelsat 18 launched on a Sea Launch Zenit 3SLB from 45/1, Baikonur Cosmodrome, Republic of Kazakhstan on October 5, 2011 at 21:00 UTC. It was Sea Launch's 36th launch, 2nd this year and humanity's 5,165th orbital launch attempt. It was the 5th Zenit 3SLB flight and the 1st this year. The payload was bound for Geostationary Transfer Orbit (GTO). Intelsat IS-18, one of 2 catalogued objects, reached a 5,541 × 35,788 km orbit inclined 19.5°. 2 objects from this launch are catalogued, one of them a payload.
- Watch
- Пуск РКН Зенит с КА Intelsat18Роскосмос ТВ
- Vehicle
- Zenit 3SLB · Sea Launch
- Booster
- No booster details on record.
- Mission
- Communications · Geostationary Transfer Orbit (GTO)
- Milestone
- 5th Zenit 3SLB flight · 1st this yearSea Launch's 36th launch2nd this yearhumanity's 5,165th orbital launch attempt59th orbital launch attempt this year
Webcast
Flight preview
Orbit: as tracked
Intelsat IS-18 · NORAD 37834 · 2011-056 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- OBJECT A
- Object ID
- 2011-056A
- Epoch
- 2011-10-06 09:41:29 UTC
- Mean motion
- 1.95297089 rev/day
- Eccentricity
- 0.5593793
- Inclination
- 19.4985°
- Ascending node
- 339.7412°
- Arg. of perigee
- 359.9565°
- Mean anomaly
- 0.1536°
- Element set
- 999
- Rev at epoch
- 8
- B*
- 0.0001
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: GTO.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; 2 still in orbit
- Intelsat IS-18 · NORAD 37834 · in orbit
Blok DM-SLB No. 5L · in orbit
Data from J. McDowell, planet4589.org
About this launch
Intelsat 18 was an Orbital Sciences-built C-band and Ku-band communications satellite for Intelsat serving the Pacific region, launched by a Zenit-3SLB under the Land Launch programme from Baikonur.
Pad
45/1, Baikonur Cosmodrome, Republic of Kazakhstan
42nd launch from 45/1, 3rd this year · 1,370th from Baikonur Cosmodrome, Republic of Kazakhstan
Local pad time at liftoff: Oct 6, 3:00 AM GMT+6, at night
47 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
79 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Intelsat 18 launch?
Intelsat 18 launched on October 5, 2011 at 21:00 UTC.
Where can I watch Intelsat 18?
Coverage: Пуск РКН Зенит с КА Intelsat18. Watch the replay
What rocket launched Intelsat 18?
Zenit 3SLB, flown by Sea Launch. Zenit 3SLB spec sheet
Where did Intelsat 18 launch from?
45/1, Baikonur Cosmodrome, Republic of Kazakhstan. Liftoff was Oct 6, 3:00 AM GMT+6 local time at the pad.
What orbit did Intelsat 18 reach?
Intelsat IS-18, one of 2 catalogued objects, reached a 5,541 × 35,788 km orbit inclined 19.5°.
How many satellites did Intelsat 18 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).