Beyond Gravity Advances Satellite Deployment with Separation Systems and Payload Integration

Beyond Gravity Advances Satellite Deployment with Separation Systems and Payload Integration

Beyond Gravity continues to play a critical role in global space transportation through the portfolio of separation systems, dispenser solutions, payload adapters and satellite integration technologies. The company supports launch vehicle operators, satellite manufacturers and constellation providers with hardware designed to securely hold spacecraft during launch and accurately deploy them into orbit. Beyond Gravity's separation technologies have become a trusted component of launch missions across commercial, governmental, scientific and defense space programs. Every spacecraft launch culminates in a critical deployment event where satellites must separate from the launch vehicle safely, precisely and according to mission-specific parameters. Beyond Gravity has developed a broad portfolio of separation and payload integration systems designed to meet these requirements across a wide range of spacecraft sizes, launch environments and mission architectures.

At the core of Beyond Gravity's launch solutions portfolio are the advanced separation systems, engineered to secure payloads throughout launch and deliver them safely into their intended orbital trajectories. During ascent, satellites experience significant mechanical loads, vibrations, acoustic pressures and thermal stresses. Separation systems must maintain structural integrity throughout these demanding conditions while ensuring a precise release once the spacecraft reaches deployment conditions. Beyond Gravity's systems are designed to provide both robust retention and highly controlled separation performance. The company offers both standard and mission-specific separation solutions, including clamp-band systems and hard-point separation mechanisms. These technologies support a wide range of spacecraft classes, from small satellites and rideshare payloads to large commercial and governmental spacecraft. A key differentiator of the company's portfolio is the low-shock separation technology. Low-shock release mechanisms are particularly important for modern spacecraft carrying sensitive instruments, optics, and electronics that can be affected by deployment-induced shock loads. By minimizing shock during separation, Beyond Gravity helps reduce risk to mission-critical payload systems while maintaining reliable deployment performance. The company's extensive flight heritage provides satellite operators and launch providers with confidence that deployment events can be executed consistently across a diverse range of missions and orbital destinations.

One of Beyond Gravity's most widely utilized technologies is the low-shock clamp-band separation system, which has become a commonly adopted solution for payload deployment applications. Clamp-band systems secure a spacecraft to the launch vehicle through a circumferential clamping mechanism that distributes loads efficiently around the spacecraft interface. When commanded, the release mechanism disengages the clamp, allowing separation springs to impart the required deployment velocity. Beyond Gravity's implementation combines high structural load capability with controlled release characteristics. This allows the system to accommodate demanding launch environments while minimizing shock transmitted to the spacecraft. The technology is suitable for a broad range of satellite classes and mission types, supporting both dedicated launches and rideshare deployments. The combination of mechanical robustness, low-shock performance and extensive flight heritage has made clamp-band systems a preferred option for many launch service providers and spacecraft manufacturers. Dispenser systems are designed to carry and deploy multiple spacecraft during a single launch, enabling constellation operators to place numerous satellites into orbit efficiently and cost-effectively. These systems are particularly valuable for communications, Earth observation, navigation and broadband constellations that require rapid deployment of large numbers of spacecraft.

Beyond Gravity has supplied dispenser systems for several major constellation and satellite programs, including Galileo, Terra Bella, Radarsat Constellation, Amazon's Project Kuiper-related deployments and Eutelsat OneWeb missions. These programs highlight the company's experience supporting large-scale orbital deployment campaigns. The dispenser system integrates multiple subsystems into a single deployment architecture. These include the primary structural framework, satellite separation systems, electrical harnesses and thermal management elements. The dispenser structure is mounted to the launch vehicle upper stage while individual spacecraft are attached at designated separation nodes. The system is engineered to maintain a rigid connection during launch while providing accurate and predictable deployment once in orbit. Separation nuts and spring assemblies ensure controlled release dynamics while reducing risk to neighboring spacecraft during constellation deployment operations. Electrical systems include redundant umbilical connections, pyrotechnic initiation harnesses and instrumentation interfaces. When required, Beyond Gravity can also integrate onboard power distribution and sequencing electronics to support mission-specific deployment requirements.

Beyond Gravity has also developed separation systems compatible with the widely used Evolved Expendable Launch Vehicle Secondary Payload Adapter (ESPA) standard. The PSR 1575 mm (62-inch) separation system is designed specifically for ESPA-compatible missions and includes a low-shock clamp-band mechanism, separation rings, spring assemblies and umbilical interfaces. The system utilizes the company's CBOD Low Shock Release Mechanism to combine high load capacity with controlled deployment performance. Compatibility with ESPA architectures enables efficient integration of secondary payloads on larger launch missions while maintaining deployment reliability and spacecraft safety. This capability supports growing demand for rideshare missions, technology demonstrations and smaller spacecraft deployments that leverage shared launch opportunities. The PAS 381S (15-inch) separation system represents the smallest member of Beyond Gravity's family of low-shock separation solutions. Developed for small spacecraft applications, the PAS 381S is designed to interface with ESPA 15-inch adapter configurations and support compact satellite platforms. The system incorporates the same low-shock release philosophy found across the broader product family while optimizing size, weight and integration requirements for smaller payloads. The compact separation systems such as the PAS 381S provide launch providers and spacecraft manufacturers with reliable deployment solutions tailored to increasingly miniaturized spacecraft architectures. For medium-sized satellites, Beyond Gravity offers the PAS 432S (17-inch) separation system. Originally developed for satellites up to approximately 200 kilograms operating on the Vega launch vehicle, the PAS 432S incorporates a low-shock clamp-band mechanism, interface rings, separation springs and umbilical connections. The system utilizes the company's CBOD-LT release technology, delivering a combination of structural strength and controlled deployment performance. This makes it suitable for missions where payload protection and deployment precision are particularly important. The capability to support medium-sized spacecraft positions the PAS 432S as a versatile option for scientific, commercial and governmental satellite missions.

The PAS 610S (24-inch) separation system is designed to support larger rideshare and ESPA-class spacecraft deployments. The load capacity is fully compatible with Moog CSA ESPA interfaces and conforms to operational environments defined within ESPA rideshare guidelines. This compatibility enables spacecraft developers to integrate seamlessly into established rideshare architectures while benefiting from Beyond Gravity's low-shock deployment technology. As rideshare missions continue to gain popularity, systems such as the PAS 610S provide launch flexibility for satellite operators seeking efficient access to orbit. In addition to complete separation systems, Beyond Gravity offers specialized separation nuts designed to support a variety of spacecraft classes. The PSM 1/2B Separation Nut is intended for medium-sized satellites in the approximately 500 to 1000 kilogram range. Designed to provide controlled low-shock release, the system supports constellation-class spacecraft and other medium-sized payloads requiring reliable deployment performance. For smaller spacecraft, the PSM 3/8B Separation Nut provides a compact low-shock release solution optimized for satellites in the 100 to 200 kilogram class. The system was developed to support constellation deployments similar to those used in OneWeb-class architectures. Both products contribute to the broader goal of reducing deployment-induced shock while maintaining reliable release performance across a range of spacecraft categories. Beyond Gravity is also a leading provider of payload adapter systems used to physically connect satellites to launch vehicles. Payload adapters serve as the structural interface between spacecraft and launch systems, transferring loads during launch while supporting successful deployment once in orbit. Beyond Gravity's modular approach allows compatibility with a wide range of spacecraft buses and launch vehicles. The company supplies payload adapter systems for launch vehicles including Alpha, Antares, Ariane, Atlas, Delta, Falcon 9, Falcon Heavy, New Glenn, Vega C and Vulcan. This extensive compatibility enables satellite operators to maintain flexibility when selecting launch providers. Adapters can be manufactured using aluminum or carbon-fiber composite materials depending on mission requirements, balancing structural performance, mass efficiency, and operational considerations. Beyond Gravity's services extend beyond hardware manufacturing to include engineering support throughout mission development, integration activities, and final deployment operations. This end-to-end involvement helps ensure successful payload integration and separation throughout the launch campaign lifecycle. Separation mechanisms, dispensers and payload adapters serve as the final link between spacecraft and launch vehicles, making their performance essential to successful orbital insertion. Through the portfolio of separation systems, constellation deployment architectures, low-shock release mechanisms and modular payload adapters, Beyond Gravity provides technologies that support a wide variety of launch missions across the global space industry. With decades of flight heritage, extensive launch vehicle compatibility and a strong focus on deployment reliability, the company continues to contribute to safer, more efficient and increasingly scalable access to space for commercial, governmental and scientific customers worldwide.

About Beyond Gravity

Beyond Gravity is a space technology company headquartered in Zurich that develops and manufactures products for launch vehicles, satellites and space exploration missions. The company provides a broad portfolio of space systems, including payload fairings, separation systems, payload adapters, satellite structures, onboard electronics, propulsion components and mission-critical mechanisms that support commercial, institutional and governmental space programs worldwide. Beyond Gravity is a leading supplier of payload separation and deployment technologies, offering clamp-band separation systems, separation nuts, dispenser systems and modular payload adapters designed to safely secure spacecraft during launch and accurately deploy them into orbit. The company's separation systems have supported more than 1200 successful in-orbit separations across a wide range of launch missions and satellite classes. The company develops dispenser systems for multi-satellite and constellation deployments, supporting programs such as Galileo, Radarsat Constellation, Eutelsat OneWeb and other large-scale satellite initiatives. The dispenser solutions integrate structural, electrical, thermal and separation subsystems to enable reliable deployment of multiple spacecraft during a single launch mission. Beyond Gravity's payload adapter portfolio is compatible with numerous launch vehicles, including Ariane, Falcon 9, Falcon Heavy, New Glenn, Vega C, Vulcan, Atlas, Delta, Antares and Alpha. Through the expertise in spacecraft deployment, launch vehicle structures and mission integration technologies, Beyond Gravity supports space missions from launch through satellite deployment and orbital operations.

Click here to learn more about Beyond Gravity's Satellite Separation Systems listed on SATNow

Publisher: SatNow

GNSS Constellations - A list of all GNSS satellites by constellations

beidou

Satellite NameOrbit Date
BeiDou-3 G4Geostationary Orbit (GEO)17 May, 2023
BeiDou-3 G2Geostationary Orbit (GEO)09 Mar, 2020
Compass-IGSO7Inclined Geosynchronous Orbit (IGSO)09 Feb, 2020
BeiDou-3 M19Medium Earth Orbit (MEO)16 Dec, 2019
BeiDou-3 M20Medium Earth Orbit (MEO)16 Dec, 2019
BeiDou-3 M21Medium Earth Orbit (MEO)23 Nov, 2019
BeiDou-3 M22Medium Earth Orbit (MEO)23 Nov, 2019
BeiDou-3 I3Inclined Geosynchronous Orbit (IGSO)04 Nov, 2019
BeiDou-3 M23Medium Earth Orbit (MEO)22 Sep, 2019
BeiDou-3 M24Medium Earth Orbit (MEO)22 Sep, 2019

galileo

Satellite NameOrbit Date
GSAT0223MEO - Near-Circular05 Dec, 2021
GSAT0224MEO - Near-Circular05 Dec, 2021
GSAT0219MEO - Near-Circular25 Jul, 2018
GSAT0220MEO - Near-Circular25 Jul, 2018
GSAT0221MEO - Near-Circular25 Jul, 2018
GSAT0222MEO - Near-Circular25 Jul, 2018
GSAT0215MEO - Near-Circular12 Dec, 2017
GSAT0216MEO - Near-Circular12 Dec, 2017
GSAT0217MEO - Near-Circular12 Dec, 2017
GSAT0218MEO - Near-Circular12 Dec, 2017

glonass

Satellite NameOrbit Date
Kosmos 2569--07 Aug, 2023
Kosmos 2564--28 Nov, 2022
Kosmos 2559--10 Oct, 2022
Kosmos 2557--07 Jul, 2022
Kosmos 2547--25 Oct, 2020
Kosmos 2545--16 Mar, 2020
Kosmos 2544--11 Dec, 2019
Kosmos 2534--27 May, 2019
Kosmos 2529--03 Nov, 2018
Kosmos 2527--16 Jun, 2018

gps

Satellite NameOrbit Date
Navstar 82Medium Earth Orbit19 Jan, 2023
Navstar 81Medium Earth Orbit17 Jun, 2021
Navstar 78Medium Earth Orbit22 Aug, 2019
Navstar 77Medium Earth Orbit23 Dec, 2018
Navstar 76Medium Earth Orbit05 Feb, 2016
Navstar 75Medium Earth Orbit31 Oct, 2015
Navstar 74Medium Earth Orbit15 Jul, 2015
Navstar 73Medium Earth Orbit25 Mar, 2015
Navstar 72Medium Earth Orbit29 Oct, 2014
Navstar 71Medium Earth Orbit02 Aug, 2014

irnss

Satellite NameOrbit Date
NVS-01Geostationary Orbit (GEO)29 May, 2023
IRNSS-1IInclined Geosynchronous Orbit (IGSO)12 Apr, 2018
IRNSS-1HSub Geosynchronous Transfer Orbit (Sub-GTO)31 Aug, 2017
IRNSS-1GGeostationary Orbit (GEO)28 Apr, 2016
IRNSS-1FGeostationary Orbit (GEO)10 Mar, 2016
IRNSS-1EGeosynchronous Orbit (IGSO)20 Jan, 2016
IRNSS-1DInclined Geosynchronous Orbit (IGSO)28 Mar, 2015
IRNSS-1CGeostationary Orbit (GEO)16 Oct, 2014
IRNSS-1BInclined Geosynchronous Orbit (IGSO)04 Apr, 2014
IRNSS-1AInclined Geosynchronous Orbit (IGSO)01 Jul, 2013
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