Space Launch Now

Eris-1

Active

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

Explore Share

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

Explore Share

Recent Launches

Falcon 9

Success

2 days, 9 hours ago

CSG-3

Space Launch Complex 4E - Vandenberg SFB, CA, USA

CSG-3 is an Earth observation satellite for the Italian Space Agency, part of a reconnaissance constellation using synthetic aperture radars operatin…

Long March 7A

Success

5 days, 12 hours ago

Shijian 29 A-B

201 - Wenchang Space Launch Site, People's Republic of China

2 satellites officially described as for "demonstration of new technologies for spatial targets detection" purposes.

Long March 4B

Success

6 days, 7 hours ago

Tianhui 7

Launch Area 94 (SLS-2 / 603) - Jiuquan Satellite Launch Center, People's Republic of China

A satellite officially described as for cartography purposes, details TBD.

Soyuz 2.1b/Fregat-M

Success

1 week ago

AIST-2T 01 & 02

Cosmodrome Site 1S - Vostochny Cosmodrome, Siberia, Russian Federation

A pair of Russian optical Earth observation satellites built by the Progress Rocket Space Centre for obtaining stereo images of the Earth's surface, …

Long March 3B/E

Success

1 week, 2 days ago

Fengyun-4C

Launch Complex 2 (LC-2) - Xichang Satellite Launch Center, People's Republic of China

China's geostationary meteorological satellite program FY-4 (Feng Yun 4) is the second generation of chinese geostationary meteorological satellites.