ArianespaceAriane 5 ECAAriane Launch Area 3, Guiana Space Centre, French Guiana
ST-2 & INSAT-4G/GSAT-8
Launched
May 20, 2011
Image: ESA/CNES/Arianespace/Optique vidéo du CSG
Summary
ST-2 & INSAT-4G/GSAT-8 launched on an Arianespace Ariane 5 ECA from Ariane Launch Area 3, Guiana Space Centre, French Guiana on May 20, 2011. It was Arianespace's 197th launch, 3rd this year and humanity's 5,129th orbital launch attempt. It was the 31st Ariane 5 ECA flight and the 2nd this year. The payload was bound for Geostationary Transfer Orbit (GTO). GSAT-8, one of 4 catalogued objects, reached a 733 × 57,842 km orbit inclined 2.4°. 4 objects from this launch are catalogued, 2 of them payloads.
- Vehicle
- Ariane 5 ECA · Arianespace
- Booster
- No booster details on record.
- Mission
- Communications · Geostationary Transfer Orbit (GTO)
- Milestone
- 31st Ariane 5 ECA flight · 2nd this yearArianespace's 197th launch3rd this yearhumanity's 5,129th orbital launch attempt23rd orbital launch attempt this year
Flight preview
Orbit: as tracked
GSAT-8 · NORAD 37605 · 2011-022 · Space-Track · tracking 1 of 4 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2011-022A
- Epoch
- 2011-05-20 15:55:04 UTC
- Mean motion
- 1.28930176 rev/day
- Eccentricity
- 0.8007722
- Inclination
- 2.3503°
- Ascending node
- 15.2094°
- Arg. of perigee
- 182.3293°
- Mean anomaly
- 262.7544°
- 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
4 catalogued: 2 payloads, 1 rocket stage, 1 component; 3 still in orbit
- GSAT-8 · NORAD 37605 · in orbit
- ST-2 · NORAD 37606 · in orbit
Ariane 5 L559 ESC-A · in orbit
Data from J. McDowell, planet4589.org
About this launch
ST-2 is a telecommunication satellite made by Mitsubishi, providing relay services over the Middle East, Central Asia, India and Southeast Asia from its geostationary orbit at 88 degrees East. GSAT-8 is a communication satellite for ISRO.
Pad
Ariane Launch Area 3, Guiana Space Centre, French Guiana
58th launch from Ariane Launch Area 3, 3rd this year · 211th from Guiana Space Centre, French Guiana
118 launches from this pad · 336 from Guiana Space Centre, French Guiana
27 days after the previous launch from this pad
All launches from Guiana Space Centre, French GuianaOpen in maps
Questions
When did ST-2 & INSAT-4G/GSAT-8 launch?
ST-2 & INSAT-4G/GSAT-8 launched on May 20, 2011. The time is known to the hour, not the minute.
Where can I watch ST-2 & INSAT-4G/GSAT-8?
Coverage: Ariane 5 ECA V-202 with GSAT-8 und ST-2 Coverage Part 1 20.05.11 (The Launch). Watch the replay
What rocket launched ST-2 & INSAT-4G/GSAT-8?
Ariane 5 ECA, flown by Arianespace. Ariane 5 ECA spec sheet
Where did ST-2 & INSAT-4G/GSAT-8 launch from?
Ariane Launch Area 3, Guiana Space Centre, French Guiana.
What orbit did ST-2 & INSAT-4G/GSAT-8 reach?
GSAT-8, one of 4 catalogued objects, reached a 733 × 57,842 km orbit inclined 2.4°.
How many satellites did ST-2 & INSAT-4G/GSAT-8 launch?
2 payloads from this launch are catalogued, 2 of them still in orbit (Data from J. McDowell, planet4589.org).