Loft Orbital Selected by Viasat for Real-Time Space Relay Service Demonstration

Loft Orbital Selected by Viasat for Real-Time Space Relay Service Demonstration

Viasat, one of the global leaders in satellite communications, announced it selected Loft Orbital as a partner for its Real-Time Space Relay (RTSR) service. The demonstration is part of Viasat’s work in support of a $53 million award under NASA’s Communications Services Project, which evaluates commercial satellite communications services and technologies to support NASA's near-Earth communications requirements as it sunsets the Tracking and Data Relay Satellite (TDRS) system.

The Viasat RTSR service is designed to offer low data latency, enabling continuous connectivity with the low Earth orbit spacecraft requiring near real-time data transfer of time-sensitive mission and telemetry, tracking, and command (TT&C) data. As proliferated low Earth orbit constellations continue to emerge, this scalable service will leverage Viasat’s high-throughput geostationary orbit network and tap into its growing ground station network to deliver persistent coverage around the globe.

Viasat’s newly developed space-qualified Ka-band space terminal will be integrated into a Loft spacecraft along with multiple commercial payloads. This demonstration mission will show that Viasat’s space-based relay communication services can support NASA and other commercial, scientific and defense missions with high-throughput, on-demand connectivity for downlinking critical mission data, as well as in-orbit spacecraft and payload software capability upgrades. The mission, which is anticipated to launch in Fall 2025, will also show how the Viasat RTSR service enhances Loft Orbital’s space infrastructure offering with a new real-time connectivity resource available for Loft virtual missions, enabling novel capabilities for customers.

Viasat is excited to partner with Loft Orbital to showcase our progress under NASA’s Communications Services Project and to highlight the first commercial use of Viasat’s Real-Time Space Relay service. This intersatellite link capability will provide significant value to Loft’s commercial mission, both during and after the demonstration period,” said Michael Maughan, Vice President of Space and Mission Systems, Viasat Government Systems. “The combination of multi-orbit space-relay service through Viasat’s high-capacity network and access to our global ground network will offer NASA and other government customers, as well as commercial providers, greater flexibility in downlinking data to the ground via whichever path is most timely or cost-effective.”

Loft is proud to partner with Viasat on NASA’s Communications Services Project to provide the infrastructure for this important capability,” said Pierre-Damien Vaujour, CEO of Loft Orbital. “The addition of Viasat’s relay service to our space infrastructure will let our virtual mission customers deploying AI applications have continuous real-time access to their mission for time-critical applications.”

The Communications Services Project is managed by NASA’s Glenn Research center in Cleveland, Ohio, under the direction of NASA’s Space Communications and Navigation (SCaN) program.

Click here to learn more about Viasat's Intersatellite Communication Solutions and Services.

Publisher: SatNow


  • Country: United States
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GNSS Constellations - A list of all GNSS satellites by constellations


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


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


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


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


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