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Kepler

retired
Science ExplorationinterplanetaryCOSPAR 2009-011ALaunched 3/7/2009
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Mission & Launch
Launch Mission
Kepler Mission
Launch Vehicle
Delta 7925-10L
Launch Date
3/7/2009
Last Contact
10/30/2018
Orbit & Mass
Orbit Class
interplanetary
Altitude
-968,625.5 km
Inclination
28.53 deg
Dry Mass
1,040 kg
Total Mass
1,052 kg
Payload Classification
Mission Type
Science Exploration
Payload Category
AST
Payload Class
C
Organizations
Operator
NASA Ames Research Center
Manufacturer
BAE Systems
Registry
COSPAR ID
2009-011A
UN Registration
ST/SG/SER.E/571
Track
Mentions
245
All verified mentions of this spacecraft in source documents.
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Actions

Kepler plans to increase network capacity through future tranches.

GrowthPlanValue 2.0Nov 20, 2025Kepler sets January launch for optical data relay satellites to expand in-orbit connectivity
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Kepler's system changes reflect compliance with updated FCC rules, including the requirement for a satellite to deorbit within a 5-year period.

LegalValue 3.0Nov 17, 2025Kepler Communications to launch 10 optical data relay satellites in January 2026

Kepler's operational system will provide real-time, laser-based connectivity and in-orbit computing for commercial and government customers.

CapabilityPlanValue 4.0Nov 17, 2025Kepler Communications to launch 10 optical data relay satellites in January 2026

Kepler's optical data relay system will enable real-time Earth observation analytics, autonomous mission operations, and AI-driven decision-making in orbit.

CapabilityGeneralValue 2.0Nov 17, 2025Kepler Communications to launch 10 optical data relay satellites in January 2026

In April, Kepler announced that Axiom Space had purchased two initial on-orbit computing payloads.

RelationshipsValue 3.5Nov 17, 2025Kepler Communications to launch 10 optical data relay satellites in January 2026

Kepler launched two pathfinder satellites, ÆTHER-1 and ÆTHER-2, in November 2023.

PlanGeneralValue 4.0Nov 17, 2025Kepler Communications to launch 10 optical data relay satellites in January 2026

Kepler's optical data relay network is designed for compatibility with the U.S. Space Development Agency's optical communications standards.

CapabilityGeneralValue 2.4Nov 17, 2025Kepler Communications to launch 10 optical data relay satellites in January 2026

The launch is part of Kepler's development of the Kepler Network.

PlanGeneralValue 2.0Nov 17, 2025RT by @GewoonLukas_: Optical technology for your mission is here! We’re thrilled to announce the January launch of Kepler’s initial tranche of next-generation optical data relay satellites! 💫 Full press release here --> https://kepler.space/kepler-announces-launch-date-for-first-tranche-of-optical-satellites/ #Space #DataRelay #Launch #TheKeplerNetwork

Kepler announced a strategic shift for its optical data relay network in 2023.

PlanValue 2.0Nov 17, 2025Kepler Communications to launch 10 optical data relay satellites in January 2026

Kepler will launch its initial tranche of next-generation optical data relay satellites in January.

PlanValue 4.0Nov 17, 2025RT by @GewoonLukas_: Optical technology for your mission is here! We’re thrilled to announce the January launch of Kepler’s initial tranche of next-generation optical data relay satellites! 💫 Full press release here --> https://kepler.space/kepler-announces-launch-date-for-first-tranche-of-optical-satellites/ #Space #DataRelay #Launch #TheKeplerNetwork

Kepler's optical data relay network combines high-capacity communications with advanced on-orbit computing.

CapabilityValue 2.0Nov 17, 2025Kepler Communications to launch 10 optical data relay satellites in January 2026

Kepler is building 300-kilogram-class satellites instead of the previously planned 12-kilogram satellites.

CapabilityPlanValue 4.0Nov 17, 2025Kepler Communications to launch 10 optical data relay satellites in January 2026

The 23 satellites launched by Kepler include two test satellites, two pathfinder optical relay network satellites, and 19 RF satellites.

PlanCapabilityValue 4.0Oct 29, 2025Kepler enlists Chris Hadfield to guide its next frontier: Human spaceflight communications

The new satellites planned by Kepler will be 260 kg in size compared to the originally planned 12 kg size.

CapabilityPlanValue 4.0Oct 29, 2025Kepler enlists Chris Hadfield to guide its next frontier: Human spaceflight communications

If Kepler is to launch this year, it is likely to be on the SpaceX Transporter-15 flight.

PlanGeneralValue 1.5Oct 29, 2025Kepler enlists Chris Hadfield to guide its next frontier: Human spaceflight communications

Kepler is planning to launch the first tranche of 10 new larger satellites for its optical data relay network as early as Q4 2023.

PlanGrowthValue 4.0Oct 29, 2025Kepler enlists Chris Hadfield to guide its next frontier: Human spaceflight communications

Kepler's commercial LEO constellation, The Kepler Network, will serve as a communication backbone to connect on-orbit platforms with multi-domain assets.

CapabilityGeneralValue 3.2Oct 23, 2025Kepler receives $500K SpaceLEO contract from DRDC

The Kepler Network is expected to launch in early 2026.

PlanValue 4.0Oct 23, 2025Kepler receives $500K SpaceLEO contract from DRDC

Kepler's first tranche of data relay satellites is set to launch in early 2026.

PlanGeneralValue 3.5Oct 22, 2025Kepler awarded contract to support Canadian Arctic Defence

Kepler's commercial LEO constellation, the Kepler Network, will serve as a communication backbone to connect on-orbit platforms with multi-domain assets.

CapabilityPlanValue 3.3Oct 22, 2025Kepler awarded contract to support Canadian Arctic Defence