DEPLOYThe reference layer for physical AI

Robot model

Saiph

22 N bipropellant thruster using nitrous oxide and ethane. Qualified May 2023. Storable, non-toxic, spark-ignited. Flight heritage on Mira OTV flights (LEO Express-1 and 2) and Haven Demo (Vast). Selected for Vast Haven-1 space station propulsion (RCS + deorbit).

Saiph is a space robot built by Impulse Space. · Documented in 1 deployment in Low Earth Orbit (LEO).


Machine-readable surfaces

Form factor
space
Maturity stage
commercial
Lifecycle
active
Deployments
1
ID
adf79eb5-3b0e-404f-8564-c7c5bcebd962

Deploy Watch

Track Saiph on Deploy.

We notify you when pricing, deployment status, or regulatory state changes against primary-source evidence, not when the maker issues claims.

Specs

role
bipropellant RCS/deorbit thruster
thrust
22 N
autonomy
n/a (component)
qualified
2023-05
propellant
N2O / ethane

Recent deployments (1)

Sources (1)

  1. https://www.vastspace.com/updates/vast-selects-impulse-space-for-haven-1-space-station-propulsion

Common questions

What is Saiph?
22 N bipropellant thruster using nitrous oxide and ethane. Qualified May 2023. Storable, non-toxic, spark-ignited. Flight heritage on Mira OTV flights (LEO Express-1 and 2) and Haven Demo (Vast). Selected for Vast Haven-1 space station propulsion (RCS + deorbit).
Who makes Saiph?
Saiph is made by Impulse Space, based in Redondo Beach, California, USA, founded in 2021.
Where is Saiph deployed?
1 verified deployment of Saiph is on the DEPLOY registry, including at Low Earth Orbit (LEO).
What is Saiph's maturity stage?
Saiph is at the commercial stage on the DEPLOY maturity ladder (research, prototype, pilot, commercial, production). Commercial stage means production-grade deployments are operating at named customer sites.
Methodology: Verified · 1 source (no primary) · last reviewed 2026-06-07

Verification posture

Verified

Low confidence

Review state

Stable

Last reviewed 2026-06-07

Maturity + lifecycle

Maturity stage: commercial

Lifecycle: active

Architectural position

Cohort: space

Sources by quality tier

1
unclassified
Unclassified source

The framework is documented at /methodology. Corrections at /corrections. Reviewer: DEPLOY editorial team.

Methodology surface for Saiph.