O3b mPOWER / connectivity constellation
sourcingtypical 4/5 · 8 factsLuxembourgoperational
O3b mPOWER is SES's next generation Medium Earth Orbit system, an evolution of the O3b MEO constellation, built to deliver predictable low latency, high throughput, and flexibility. The system pairs software defined satellites with a ground and software ecosystem.
faq
Who operates O3b mPOWER?
O3b mPOWER is operated by SES. (source, as of 2026-07-05)
How many O3b mPOWER satellites are active on orbit?
CelesTrak's catalog currently tracks 10 objects for O3b mPOWER. (source, as of 2026-07-11)
When did O3b mPOWER first launch?
O3b mPOWER first launched on 2022-12-16. (source, as of 2026-07-05)
facts
operatorSES
countryLuxembourg
sensor typesunknown
sats launched (total)unknown
sats active (claimed)unknown
sats active (verified)10
sats plannedunknown
orbitMEO
first launch2022-12-16
latest launch2025-07-22
statusoperational
websiteses.com
sats active (verified) counts objects currently tracked in CelesTrak's catalog for this constellation. It is a tracking count, not an operator claim about satellite health.
orbit
orbitMEO
sats launched (total)unknown
sats active (claimed)unknown
sats active (verified)10
sats plannedunknown
events
- notable2026-07-07SES wins 5-year Space Systems Command Ku-band deal
- notable2026-07-02GAO flags cost overruns, schedule risk in Space Force satellites
timeline
- 20252025-07-22SES launches ninth and tenth O3b mPOWER satellites, with three more planned for 2026 (source, as of 2026-07-06)
- 20242024-04-24SES's O3b mPOWER system starts providing commercial connectivity services (source, as of 2026-07-06)
- 20222022-12-16SES launches first two O3b mPOWER satellites (source, as of 2026-07-06)
- 20172017-09-11Boeing contracted to build seven O3b mPOWER satellites for SES (source, as of 2026-07-06)
sources
[2] celestrak.org ↗
sats active (verified)computed2026-07-11
[3] space.skyrocket.de ↗
first launch2026-07-05
Includes data from Gunter's Space Page: doc_sdat/o3b-mpower1.htm