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FREEDOM

retired
Technology DemonstrationLEOCOSPAR 1998-067KSLaunched 12/9/2016
Admin Edit
Mission & Launch
Launch Mission
HTV-6
Launch Vehicle
H-IIB
Launch Date
12/9/2016
Last Contact
2/5/2017
Orbit & Mass
Orbit Class
LEO
Altitude
400 km
Inclination
51.64 deg
Dry Mass
1 kg
Total Mass
1 kg
Payload Classification
Mission Type
Technology Demonstration
Payload Category
TECH
Payload Class
A
Organizations
Operator
Tohoku University
Manufacturer
Nakashimada Engineering Works Ltd.
Registry
COSPAR ID
1998-067KS
UN Registration
ST/SG/SER.E/862
Track
Mentions
173
All verified mentions of this spacecraft in source documents.
0.0-5.0
Actions

Space Reactor-1 Freedom will demonstrate advanced nuclear electric propulsion in deep space.

CapabilityPlanValue 3.5Mar 27, 2026NASA Unveils Initiatives to Achieve America’s National Space Policy

NASA plans to use Gateway's power and propulsion module to support the SR-1 Freedom mission.

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PlanCapabilityValue 4.0Mar 27, 2026With Artemis Changes, Europe is Left Holding the Bag

NASA and the U.S. Department of Energy are partnering on the Space Reactor-1 Freedom mission.

RelationshipsValue 4.2Mar 25, 2026NASA outlines lunar base phases, LEO transition plan and nuclear propulsion mission

Space Reactor-1 Freedom will deploy a Mars payload of Ingenuity-class helicopters.

PlanCapabilityValue 4.0Mar 25, 2026NASA outlines lunar base phases, LEO transition plan and nuclear propulsion mission

NASA plans to launch Space Reactor-1 Freedom, a nuclear-powered interplanetary spacecraft, to Mars before the end of 2028 to demonstrate nuclear electric propulsion.

PlanCapabilityValue 4.6Mar 25, 2026NASA outlines lunar base phases, LEO transition plan and nuclear propulsion mission

NASA plans to launch Space Reactor-1 Freedom before the end of 2028.

PlanValue 4.0Mar 24, 2026NASA unveils new Moon base plans, pauses Lunar Gateway

Space Reactor-1 Freedom is expected to reach Mars about a year after launch and release the Skyfall payload.

PlanValue 3.5Mar 24, 2026NASA unveils new Moon base plans, pauses Lunar Gateway

Space Reactor-1 Freedom will be the world’s first nuclear-powered interplanetary spacecraft.

CapabilityPlanValue 2.5Mar 24, 2026NASA unveils new Moon base plans, pauses Lunar Gateway

NASA plans to launch Space Reactor-1 Freedom to Mars by the end of 2028.

PlanGeneralValue 4.0Mar 24, 2026NASA Priorities Get a Major Makeover

Space Reactor-1 Freedom is designed to demonstrate advanced nuclear electric propulsion and fusion power capabilities.

CapabilityGeneralValue 3.0Mar 24, 2026NASA unveils new Moon base plans, pauses Lunar Gateway

Space Reactor-1 Freedom is intended to demonstrate fission power in space.

CapabilityPlanValue 3.0Mar 24, 2026NASA Priorities Get a Major Makeover

NASA is committing to the Space Reactor-1 Freedom mission.

PlanValue 3.4Mar 24, 2026NASA Realignment ‘Ignition’ Accelerates Shift Toward Commercial Lunar Economy

Space Reactor-1 Freedom is intended to deliver the Skyfall mission to Mars.

PlanValue 3.5Mar 24, 2026NASA Priorities Get a Major Makeover

Several Starliner thrusters failed during the approach to the ISS, causing a temporary loss of full six-degree-of-freedom control until ground controllers restored some of them.

CapabilityGeneralValue 4.2Mar 23, 2026Review: Stuck in Space

The Tafuna site is a strategic expansion of the ATLAS Global Federated Network that uses the proprietary Freedom® Software as a Service (GSaaS) platform.

GrowthCapabilityGeneralValue 3.0Mar 11, 2026ATLAS Space Operations Establishes South Pacific Hub with New Ground Station in American Samoa

Alan Shepard flew a suborbital Mercury flight on May 5, 1961 in the Freedom 7 capsule.

GeneralValue 5.0Mar 9, 2026McDonnell’s Military Test Space Station (MTSS)

NASA provided the Trailblazer failure analysis report to NPR only after NPR filed a Freedom of Information Act request.

LegalGeneralValue 3.2Mar 9, 2026NASA falters in communications yet again with Lunar Trailblazer failure | Moon Monday #265

Silicon Sensing’s SGH03 is also the core component of the DMU41 tactical-grade 9-Degrees of Freedom inertial measurement unit.

CapabilityValue 4.0Mar 3, 2026Kongsberg Discovery and Silicon Sensing Unveil Tactical-Grade North-Seeking MEMS Gyroscope

NASA returned the Dragon Freedom capsule earlier than planned as a precaution due to Mike Fincke’s medical condition.

PlanValue 3.5Feb 26, 2026Misterio develado: Mike Fincke confirma que fue él quien provocó la evacuación de urgencia

The early return of Dragon Freedom for Crew-11 was unprecedented in the 25 years of continuous International Space Station operations.

GeneralValue 2.0Feb 26, 2026Misterio develado: Mike Fincke confirma que fue él quien provocó la evacuación de urgencia