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ArianespaceAriane 5 ECA+Ariane Launch Area 3, Guiana Space Centre, French Guiana

SES-17 & Syracuse 4A

Launched

October 24, 2021

Launch Successful
VA255 Patch

Image: ESA/CNES/Arianespace/Optique vidéo du CSG

Summary

SES-17 & Syracuse 4A launched on an Arianespace Ariane 5 ECA+ from Ariane Launch Area 3, Guiana Space Centre, French Guiana on October 24, 2021. It was Arianespace's 303rd launch, 11th this year and humanity's 6,140th orbital launch attempt. It was the 5th Ariane 5 ECA+ flight and the 2nd this year. The payload was bound for Geostationary Transfer Orbit (GTO). SES-17, one of 4 catalogued objects, reached a 249 × 35,294 km orbit inclined 6.1°. 4 objects from this launch are catalogued, 2 of them payloads.

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Vehicle
Ariane 5 ECA+ · Arianespace
Booster
No booster details on record.
Mission
Communications · Geostationary Transfer Orbit (GTO)
Milestone
5th Ariane 5 ECA+ flight · 2nd this yearArianespace's 303rd launch11th this yearhumanity's 6,140th orbital launch attempt103rd orbital launch attempt this year

Webcast

Replay
Watch on YouTube

Flight preview

Orbit: as tracked

6.1°Inclination
249 × 35294 kmPerigee × apogeefrom mean elements
622.2 minPeriodfrom mean elements
264.7°Ascending node
1818 d agoElement epoch2021-10-24 07:07 UTC · stale

SES-17 · NORAD 49332 · 2021-095 · Space-Track · tracking 1 of 4 objects

Show the numbers for orbit elements
Object
TBA - TO BE ASSIGNED
Object ID
2021-095A
Epoch
2021-10-24 07:07:07 UTC
Mean motion
2.3143385 rev/day
Eccentricity
0.7257948
Inclination
6.0688°
Ascending node
264.6644°
Arg. of perigee
167.3354°
Mean anomaly
160.4141°
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

  • SES-17 · NORAD 49332 · in orbit
  • Syracuse 4A · NORAD 49333 · in orbit

Ariane 5 L5115 ESC-D · in orbit

Data from J. McDowell, planet4589.org

About this launch

SES-17 is a Ka-band high-throughput geostationary communications satellite built by Thales Alenia Space designed to provide mobile internet services to airline passengers over the Americas and the Atlantic Ocean. Syracuse 4A is a French military communications satellite built by Thales Alenia Space.

Related page: Ariane Flight VA255

Pad

Map of Ariane Launch Area 3

Ariane Launch Area 3, Guiana Space Centre, French Guiana

112th launch from Ariane Launch Area 3, 2nd this year · 308th from Guiana Space Centre, French Guiana

118 launches from this pad · 336 from Guiana Space Centre, French Guiana

85 days after the previous launch from this pad

All launches from Guiana Space Centre, French GuianaOpen in maps

Updates

Launch success confirmed

SwGustav · Oct 24, 2021 · source

Show 4 earlier updates

  • Liftoff

    SwGustav · 10/24/2021

  • New launch time.

    Cosmic_Penguin · 10/23/2021 · source

  • Delayed due to additional checks on the ground support equipment

    SwGustav · 10/22/2021 · source

  • Launch date & time announced by the Guiana Space Centre.

    Nosu · 10/11/2021 · source

Questions

When did SES-17 & Syracuse 4A launch?

SES-17 & Syracuse 4A launched on October 24, 2021. The time is known to the hour, not the minute.

Where can I watch SES-17 & Syracuse 4A?

Coverage: Ariane 5 SES-17 & Syracuse 4A; Flight VA255 – SES-17 / SYRACUSE 4A | Ariane 5 Launch | Arianespace. Watch the replay

What rocket launched SES-17 & Syracuse 4A?

Ariane 5 ECA+, flown by Arianespace. Ariane 5 ECA+ spec sheet

Where did SES-17 & Syracuse 4A launch from?

Ariane Launch Area 3, Guiana Space Centre, French Guiana.

What orbit did SES-17 & Syracuse 4A reach?

SES-17, one of 4 catalogued objects, reached a 249 × 35,294 km orbit inclined 6.1°.

How many satellites did SES-17 & Syracuse 4A launch?

2 payloads from this launch are catalogued, 2 of them still in orbit (Data from J. McDowell, planet4589.org).