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TMinusZero
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Preparing the latest launch data.
Rocket launches
Launch history and upcoming schedule for Epsilon S.
This is the canonical vehicle page for Epsilon S, with launch history, upcoming missions, cadence, outcome signals, vehicle metadata, and links into the provider and exact launch records that use this rocket.
Vehicle facts are reconciled from cached public launch records and catalog metadata. External links are shown only when the upstream rocket record publishes them.
This page combines launch-feed records, launcher configuration metadata, manufacturer catalog records, and recent mission history. When upstream catalog fields are missing, the page falls back to observed launch records instead of inventing specs.
Recent launch records are grouped by orbit, mission type, payload type, crewed status, and launch site so the vehicle page answers what this rocket is actually being used for.
This vehicle page is assembled from public launch-feed rows, Launch Library 2 launcher configuration metadata, manufacturer catalog records, and recent mission history cached by T-Minus Zero.
Use this page for vehicle-level cadence, upcoming schedule, history, payload mix, and anomaly context. Exact launch records own mission timing, status, weather, pad details, streams, and source-specific updates.
The rocket page owns vehicle-level context. Provider pages own organization-level schedules, catalog pages own static vehicle metadata, and launch pages own exact launch records.


The Epsilon S rocket is a Japanese solid-fuel rocket designed to launch scientific satellites. It is a follow-on project to the larger and more expensive M-V rocket which was retired in 2006. The Japan Aerospace Exploration Agency (JAXA) began developing the Epsilon in 2007. The first stage is based on SRB-3, the stra…


Tracks timing/status changes for up to the next 20 launches based on the last 120 days of updates.
No Epsilon S launch history available yet.
The Japan Aerospace Exploration Agency (JAXA) is Japan's national aero-space agency. Through the merger of three previously independent organizations, JAXA was formed on 1 October 2003. JAXA is responsible for research,…