World roster → Isar Aerospace
Spectrum
Spectrum is an orbital launch vehicle in development operated by Isar Aerospace of Ottobrunn, Germany, 28 m tall, 1,000 kg to low Earth orbit, 2 stages.
| Operator | Isar Aerospace · Ottobrunn, Germany |
|---|---|
| Status | In development |
| First flight | 2025 |
| Height | 28 m |
| Diameter | 2 m |
| Liftoff mass | 65 t |
| Stages | 2 |
| Payload to LEO | 1,000 kg |
| Payload to SSO | 700 kg |
| Engines | 9 × Aquila · 1 × Aquila Vacuum |
| Propellant | Liquid propane / liquid oxygen |
| Reuse | Expendable — nothing is recovered |
| Launch sites | Andøya, Norway |
First flight ended about thirty seconds in, which is a normal way for a first flight to end. Propane rather than methane is an unusual choice, chosen for density.
About Isar Aerospace
The best-funded of the European small-launch startups, flying from inside the Arctic Circle. Founded 2018. Official site.