Launches / Eris-1

Past launch Failed

Maiden Flight

Eris-1, flown by Gilmour Space Technologies

Eris-1 lifting off with the Maiden Flight mission
Image via The Space Devs.

This was Gilmour Space Technologies' first launch.

Counting every operator, it was the 165th orbital launch attempt anywhere in 2025, and the first from Eris Pad.

Launched
Tuesday, July 29, 2025, 10:35 p.m. UTC
Window
Tuesday, July 29, 2025, 9:30 p.m. to Wednesday, July 30, 2025, 7:30 a.m. UTC
Launch site
Bowen Orbital Spaceport
Rocket
Eris Block 1
Operator
Gilmour Space Technologies
Failure
Rocket never developed sufficient thrust, ascended for about 50 meters before flying sideways and fall back near the pad.

Watch the webcast →

The mission

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

Type
Test flight
Destination
Low Earth orbit

The rocket

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

Height
25 m
Built by
Gilmour Space Technologies
First flew
July 29, 2025
Lifts to low Earth orbit
305 kg
View 2 specifications Show less
Diameter
2 m
Stages
3

One flight so far, which failed.

gspacetech.com → Wikipedia →

The operator

Gilmour Space Technologies

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.

Sector
Private
Based in
Australia
Founded
2013
Run by
Adam Gilmour, CEO

1 launches so far, 0 of them successful.

gspacetech.com → Wikipedia →

The launch site

It went up from Eris Pad at Bowen Orbital Spaceport.

See the pad on a map →

Catch the next one instead

This one is done, but there is another along shortly. Flyby works out whether it climbs into your sky, and wakes you in time to get outside.

Get Flyby free