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Interstellar Technologies became the first private Japanese company to reach space, with its MOMO sounding rocket in 2019, and is now developing the ZERO orbital launch vehicle.
PRE-REVENUEInterstellar Technologies is a Japanese aerospace startup developing the ZERO small orbital launch vehicle. The company made history as the first private Japanese company to reach space with its MOMO sounding rocket in 2019.
Founded by Takafumi Horie, Interstellar Technologies began with sounding rockets and achieved a major milestone in 2019 when its MOMO-3 rocket became the first privately-developed Japanese rocket to reach space. The company is now developing ZERO, a small orbital launch vehicle designed to deliver payloads to low Earth orbit, positioning itself as a key player in Japan's emerging commercial space launch market.
Rank 41 of 93 ranked companies, shared with 2 other companies on the same total. With the pillars we have not measured for this company filled at the 10th and 90th percentiles of the companies we did measure, and every other company held at its published total, the rank is likely between 27 and 57.
2 of 5 inputs measured · Medium confidence · 75% of applicable weight backed by data
Not measured: Market value, Reported revenue
Not measured: Open-role change (90 days)
A pillar score averages the company’s percentiles among the tracked companies with a value: relative standing, not a grade. Inputs measured 2026-10-13 (UTC) · methodology v6. Every input, its value and percentile · How it is computed
The Space Score ranks companies relative to each other on public data we hold. It describes; it does not rate, forecast or recommend. It is not a credit rating and not investment advice. Full disclaimer
Sources: Founded, Headquarters, CEO, Employees, Legal name
For information only, not investment advice. SpaceNexus is not a registered investment adviser, broker or dealer, and nothing here is a recommendation to buy, sell or hold any security. Data may be delayed, estimated or incomplete; check the source before acting. Full disclaimer
6 private rounds on record (3 with no stated amount, counted but not added). Debt, grants, state capital, owner funding and acquisitions are listed under Funding history by class and not added in.
Small orbital launch vehicle under development, designed to deliver payloads to LEO from Hokkaido. Successor to the MOMO suborbital rocket program.
Checking for a discussion…
Compiled Oct 13, 2026 from 6 public records. Every figure links the record it comes from.
Latest sourced round
Series F: amount undisclosed
Lead recorded as Woven by Toyota
Source: PR TIMES
Announced Jan 16, 2026
Sourced rounds on record
6 rounds, $85.2M disclosed
3 with no amount disclosed
Published rounds with a source link only, on the same rules as the funding tracker. Each round links the source that states its figure; amounts in other currencies are converted to dollars at the rate shown on the funding tracker.
APA
SpaceNexus. (2026, October 13). Interstellar Technologies: Company dossier [Data set]. Retrieved October 13, 2026, from https://spacenexus.us/company-profiles/interstellar-technologies
Chicago
SpaceNexus. "Interstellar Technologies: Company dossier." Data as of October 13, 2026. Accessed October 13, 2026. https://spacenexus.us/company-profiles/interstellar-technologies.
BibTeX
@misc{spacenexus_interstellartechnologies_2026,
author = {{SpaceNexus}},
title = {{Interstellar Technologies}: Company dossier},
year = {2026},
month = oct,
howpublished = {\url{https://spacenexus.us/company-profiles/interstellar-technologies}},
url = {https://spacenexus.us/company-profiles/interstellar-technologies},
urldate = {2026-10-13},
note = {Data as of 2026-10-13; each fact links its primary source}
}SMBC Edge
Took part in Series F (Jan 16, 2026)
PR TIMES, Jan 16, 2026
Recorded as lead of Series F (Jan 16, 2026)
PR TIMES, Jan 16, 2026
Chiba Bank Capital (Chibagin Capital)
Took part in Series E (Oct 24, 2024)
Interstellar Technologies (PR TIMES release), Oct 24, 2024
NICT
Took part in Series E (Oct 24, 2024)
Interstellar Technologies (PR TIMES release), Oct 24, 2024
NTT Docomo
Took part in Series E (Oct 24, 2024)
Interstellar Technologies (PR TIMES release), Oct 24, 2024
CyberAgent
Took part in Series D (Jan 16, 2023)
Interstellar Technologies (press release), Jan 16, 2023
IMV
Took part in Series D (Jan 16, 2023)
Interstellar Technologies (press release), Jan 16, 2023