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Interstellar Technologies

Hokkaido rocket company whose small MOMO rocket made it the first Japanese private company to reach space. It is now building ZERO, an orbital rocket for small satellites that runs on methane made from livestock manure. (1 product in the atlas)

Products, by altitude

Launch · From the pad to orbit

  • In development

    ZERO

    Small-satellite rocket fueled by methane from cow manure

Known rounds

DateRoundAmountLed by
Jan 2026Series F (equity and debt)$130MWoven by Toyota⁠1
Oct 2024Series E (total)¥3.9B—⁠2
Jan 2023Series D (total of tranches from Dec 2021)¥3.8B—⁠3
Jul 2019Series B¥1.2B—⁠4

Government awards

DateAgencyProgramAmount
Oct 2026Japan Ministry of Education, Culture, Sports, Science and Technology (MEXT)SBIR Phase 3 fund, additional allocationJPY 3.9B⁠5
Mar 2026MEXT (Japan)SBIR Phase 3, ZERO launch vehicle development and flight demonstration (final phase)$47.2M⁠6
Feb 2025Japan Ministry of Education, Culture, Sports, Science and Technology (MEXT)SBIR Phase 3 additional grantJPY 1.4B⁠7
Sep 2024Japan Ministry of Education, Culture, Sports, Science and Technology (MEXT)SBIR Phase 3 stage-gate, Phase 2 grant ceilingJPY 4.6B⁠8
Sep 2023Japan Ministry of Education, Culture, Sports, Science and Technology (MEXT)SBIR Phase 3 (small launch vehicle development), Phase 1 grant ceilingJPY 2B⁠9

Sources

  1. Interstellar TechnologiesJan 16, 2026
  2. Interstellar Technologies press releaseOct 24, 2024
  3. Interstellar Technologies press releaseJan 16, 2023
  4. Interstellar Technologies press releaseJul 29, 2019
  5. Interstellar Technologies press releaseOct 9, 2026
  6. Interstellar TechnologiesMar 31, 2026
  7. Interstellar Technologies press releaseFeb 21, 2025
  8. Interstellar Technologies press releaseSep 19, 2024
  9. Interstellar Technologies press releaseSep 29, 2023
  10. Interstellar Technologies

Updated Oct 22, 2026 · How we source facts · Suggest a correction