ArianespaceSoyuz STA FregatSoyuz Launch Complex, Guiana Space Centre, French Guiana
Sentinel-1B
Launched
April 25, 2016
Summary
Sentinel-1B launched on an Arianespace Soyuz STA Fregat from Soyuz Launch Complex, Guiana Space Centre, French Guiana on April 25, 2016. It was Arianespace's 243rd launch, 3rd this year and humanity's 5,554th orbital launch attempt. It was the 4th Soyuz STA Fregat flight and the 1st this year. The payload was bound for Sun-Synchronous Orbit (SSO). Sentinel-1B, one of 6 catalogued objects, reached a 701 × 708 km orbit inclined 98.2°. 6 objects from this launch are catalogued, 5 of them payloads.
- Watch
- Sentinel-1B lifts offEuropean Space Agency, ESA
- Flight VS14 – Sentinel-1B | Soyuz Launch | Arianespacearianespace
- Vehicle
- Soyuz STA Fregat · ArianespaceCopernicus
- Booster
- No booster details on record.
- Mission
- Earth Science · Sun-Synchronous Orbit (SSO)
- Milestone
- 4th Soyuz STA Fregat flight · 1st this yearArianespace's 243rd launch3rd this yearhumanity's 5,554th orbital launch attempt25th orbital launch attempt this year
Webcast
Flight preview
Orbit: as tracked
Sentinel-1B · NORAD 41456 · 2016-025 · Space-Track · tracking 1 of 6 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2016-025A
- Epoch
- 2016-04-25 23:06:20 UTC
- Mean motion
- 14.58620255 rev/day
- Eccentricity
- 0.0005181
- Inclination
- 98.1861°
- Ascending node
- 124.3944°
- Arg. of perigee
- 95.348°
- Mean anomaly
- 339.1047°
- Element set
- 999
- Rev at epoch
- 1
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: SSO. Ascent drawn from padside's representative profile.
Catalogued objects
6 catalogued: 5 payloads, 1 component; 2 still in orbit
- Sentinel-1B · NORAD 41456 · in orbit
- Microscope · NORAD 41457 · in orbit
- OUFTI 1 · NORAD 41458 · re-entered March 14, 2024
- E-st@r-II · NORAD 41459 · re-entered May 5, 2024
- AAUSAT-4 · NORAD 41460 · re-entered September 8, 2023
Data from J. McDowell, planet4589.org
About this launch
Sentinel-1 is a two satellite constellation for land and ocean monitoring. C-band imaging will provide an all-weather day-and-night supply of imagery for Copernicus user services. This is the second and last satellite launched of the pair.
Pad

Soyuz Launch Complex, Guiana Space Centre, French Guiana
14th launch from Soyuz Launch Complex, 1st this year · 258th from Guiana Space Centre, French Guiana
26 launches from this pad · 336 from Guiana Space Centre, French Guiana
130 days after the previous launch from this pad
All launches from Guiana Space Centre, French GuianaOpen in maps
Questions
When did Sentinel-1B launch?
Sentinel-1B launched on April 25, 2016. The time is known to the hour, not the minute.
Where can I watch Sentinel-1B?
Coverage: Sentinel-1B lifts off; Flight VS14 – Sentinel-1B | Soyuz Launch | Arianespace. Watch the replay
What rocket launched Sentinel-1B?
Soyuz STA Fregat, flown by Arianespace. Soyuz STA Fregat spec sheet
Where did Sentinel-1B launch from?
Soyuz Launch Complex, Guiana Space Centre, French Guiana.
What orbit did Sentinel-1B reach?
Sentinel-1B, one of 6 catalogued objects, reached a 701 × 708 km orbit inclined 98.2°.
How many satellites did Sentinel-1B launch?
5 payloads from this launch are catalogued, 2 of them still in orbit (Data from J. McDowell, planet4589.org).
Which program is Sentinel-1B part of?
Copernicus. About Copernicus
![[AUTO] Soyuz STA - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fsoyuz2520sta_image_20191210133244.jpg&w=1600)