Back to Resources

LiteBIRD Cosmic Microwave Background Observatory

JAXA-led international LiteBIRD is a planned space observatory that will survey the full sky for three years from Sun-Earth L2, measuring cosmic microwave background polarization to test inflation and search for primordial gravitational-wave signatures. The mission is in project preparation after its June 2026 mission definition review, with a launch target in Japanese fiscal year 2036.

Follow this vehicle family

Alerts for directly linked future launches and major activity.

Identity

Family Name
LiteBIRD
Full Name
LiteBIRD Cosmic Microwave Background Observatory
Roles
observatoryresearch
Status
development
Type
spacecraft

Details

Description
JAXA-led international LiteBIRD is a planned space observatory that will survey the full sky for three years from Sun-Earth L2, measuring cosmic microwave background polarization to test inflation and search for primordial gravitational-wave signatures. The mission is in project preparation after its June 2026 mission definition review, with a launch target in Japanese fiscal year 2036.

Links

Assets & Meta

Creation Time
August 13, 2026 at 02:50:03 UTC
Updated Time
August 13, 2026 at 02:50:03 UTC