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Eris-1

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Gilmour Space Technologies (GST)

July 29, 2025

Description

Eris is a 3 stage orbital launch vehicle designed to deliver up to 305kg into a low earth orbit.

Specifications

Stages
3
Length
25.0 m
Diameter
2.0 m
Fairing Diameter
1.5 m
Launch Mass
―
Thrust
―

Family

Name
Eris-1
Family
―
Variant
1
Alias
―
Full Name
Eris Block 1

Payload Capacity

Launch Cost
―
Low Earth Orbit
305.0 kg
Geostationary Transfer Orbit
―
Direct Geostationary
―
Sun-Synchronous Capacity
215.0 kg

Gilmour Space Technologies

Private

CEO: Adam Gilmour

GST 2013

Gilmour Space Technologies is a venture-funded Australian space company headquartered in Queensland, Australia that is developing hybrid-engine rockets and associated technology to support the development of a low-cost space launch vehicle.

Upcoming Spaceflights

Eris-1 | Flight Two

Gilmour Space Technologies | Australia
Bowen Orbital Spaceport
TBD December, 2026

Status: To Be Determined

Mission:

Second test flight of Gilmour Space's orbital launch vehicle Eris.

Low Earth Orbit

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Previous Flights

flew on one previous launch(es).

Eris-1 | Maiden Flight

Gilmour Space Technologies | Australia
Bowen Orbital Spaceport
July 29, 2025, 10:35 p.m.

Status: Launch Failure

Mission:

Maiden flight of Gilmour Space's orbital launch vehicle Eris.

Low Earth Orbit

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