Gilmour Space TechnologiesLaunch FailureTest Flight

Maiden Flight

Name: Eris-1 | Maiden Flight
Start: 2025-07-29T22:35:00Z
Location: Eris Pad, Bowen Orbital Spaceport

Eris-1

Launched Tue, Jul 29 · 10:35 PM UTC2025-07-29 22:35 UTCEris Pad, Bowen Orbital Spaceport

Lifted off
Launch failure

What happened Watch the replay

What Happened

Rocket never developed sufficient thrust, ascended for about 50 meters before flying sideways and fall back near the pad.

From Launch Library 2 · confirmed as a launch failure Tue, Jul 29 · 11:20 PM UTC

Launch failure

Target: Low Earth Orbit

Eris Block 1 lifted off with Maiden Flight, but the launch failed.

Waiting on the Cause

No cause has been given yet. What Gilmour Space Technologies finds will be added here, and to the updates below.

Replay

Replay: REPLAY! as Gilmour Space Launches Eris Test Flight 1 | Bowen, Australia | Eris Rocket

The Flight Plan

Planned times, from liftoff at 10:35 PM UTC. The result is at the top of the page.

Ascent2

T+0:0010:35 PMStart of the engine ignition sequence
T+1:4010:36 PMStart of the second engine

Second Stage and Payload3

T+3:2010:38 PMCut-off of the second engine
T+8:2010:43 PMThird stage engine ignites.
T+10:2010:45 PMThird stage engine shuts down.

Mission

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

Launch Provider

Gilmour Space Technologies

Private · Australia, Singapore · Founded 2013 · CEO Adam Gilmour

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.

Launches

Successful

Upcoming

scheduled

FliesEris

All Gilmour Space Technologies launches Website Wikipedia

Updates

Jul 29 · 11:20 PM
Launch failure.
Cosmic_Penguin
Jul 29 · 9:07 PM
Unofficial Webcast by Launch Heaven has started
Launch Library 2
Jul 29 · 5:25 AM
Scrubbed for the day.
Cosmic_Penguin
Jul 29 · 5:02 AM
New T-0.
Cosmic_Penguin
Jul 29 · 4:18 AM
New T-0.
Cosmic_Penguin

Show earlier updates

Jul 29 · 1:31 AM
Unofficial Webcast by Launch Heaven has started
Launch Library 2
Jul 28 · 2:15 PM
Tweaked launch window.
Cosmic_Penguin
Jul 28 · 1:55 PM
NET July 29 afternoon LT.
Cosmic_Penguin
Jul 27 · 3:49 AM
Delayed to NET July 29 LT.
Cosmic_Penguin
Jul 26 · 1:03 AM
NET July 28 LT.
Cosmic_Penguin
Jul 16 · 1:10 AM
Delayed to NET July 27 LT.
Cosmic_Penguin
Jul 15 · 12:41 AM
NET July 17 LT.
Cosmic_Penguin
Jul 2 · 11:13 PM
NET July 16 LT.
Cosmic_Penguin
Jul 1 · 10:16 PM
Launch delayed to TBD July.
Cosmic_Penguin
Jun 30 · 12:35 AM
NET July 3 LT.
Cosmic_Penguin
Jun 26 · 6:58 AM
NET July 2 LT.
Cosmic_Penguin
Jun 25 · 6:10 AM
NET July 1 LT.
Cosmic_Penguin
May 15 · 9:06 PM
Launch TBD after fairing separation incident on the pad
SwGustav
May 14 · 9:33 PM
Scrubbed
SwGustav
May 13 · 8:11 AM
Setting go for launch.
Cosmic_Penguin
May 13 · 1:38 AM
NET May 15 LT, TBC.
Cosmic_Penguin
May 4 · 2:21 AM
NET May 15.
Cosmic_Penguin
Mar 29 · 6:24 AM
NET April.
Cosmic_Penguin
Mar 7 · 1:58 PM
Launch delayed due to launch site impact by Tropical Cyclone Alfred.
Cosmic_Penguin
Feb 27 · 7:42 AM
Adding launch
Nosu

Eris Block 1

Vehicle history

Height

25m

Diameter

To low Earth orbit

305kg

Space Launch Now for iOS and Android

Follow Gilmour Space Technologies to hear when findings come out and when Eris Block 1 flies next.

See what's in the app

Scan to open on your phone

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Gilmour Space TechnologiesLaunch FailureTest Flight

Maiden Flight

Eris-1

Launched Tue, Jul 29 · 10:35 PM UTC2025-07-29 22:35 UTCEris Pad, Bowen Orbital Spaceport

Lifted off
Launch failure

What happened Watch the replay

What Happened

Rocket never developed sufficient thrust, ascended for about 50 meters before flying sideways and fall back near the pad.

From Launch Library 2 · confirmed as a launch failure Tue, Jul 29 · 11:20 PM UTC

Launch failure

Target: Low Earth Orbit

Eris Block 1 lifted off with Maiden Flight, but the launch failed.

Waiting on the Cause

No cause has been given yet. What Gilmour Space Technologies finds will be added here, and to the updates below.

Replay

Replay: REPLAY! as Gilmour Space Launches Eris Test Flight 1 | Bowen, Australia | Eris Rocket

The Flight Plan

Planned times, from liftoff at 10:35 PM UTC. The result is at the top of the page.

Ascent2

T+0:0010:35 PMStart of the engine ignition sequence
T+1:4010:36 PMStart of the second engine

Second Stage and Payload3

T+3:2010:38 PMCut-off of the second engine
T+8:2010:43 PMThird stage engine ignites.
T+10:2010:45 PMThird stage engine shuts down.

Mission

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

Launch Provider

Gilmour Space Technologies

Private · Australia, Singapore · Founded 2013 · CEO Adam Gilmour

Launches

Successful

Upcoming

scheduled

FliesEris

All Gilmour Space Technologies launches Website Wikipedia

Updates

Jul 29 · 11:20 PM
Launch failure.
Cosmic_Penguin
Jul 29 · 9:07 PM
Unofficial Webcast by Launch Heaven has started
Launch Library 2
Jul 29 · 5:25 AM
Scrubbed for the day.
Cosmic_Penguin
Jul 29 · 5:02 AM
New T-0.
Cosmic_Penguin
Jul 29 · 4:18 AM
New T-0.
Cosmic_Penguin

Show earlier updates

Jul 29 · 1:31 AM
Unofficial Webcast by Launch Heaven has started
Launch Library 2
Jul 28 · 2:15 PM
Tweaked launch window.
Cosmic_Penguin
Jul 28 · 1:55 PM
NET July 29 afternoon LT.
Cosmic_Penguin
Jul 27 · 3:49 AM
Delayed to NET July 29 LT.
Cosmic_Penguin
Jul 26 · 1:03 AM
NET July 28 LT.
Cosmic_Penguin
Jul 16 · 1:10 AM
Delayed to NET July 27 LT.
Cosmic_Penguin
Jul 15 · 12:41 AM
NET July 17 LT.
Cosmic_Penguin
Jul 2 · 11:13 PM
NET July 16 LT.
Cosmic_Penguin
Jul 1 · 10:16 PM
Launch delayed to TBD July.
Cosmic_Penguin
Jun 30 · 12:35 AM
NET July 3 LT.
Cosmic_Penguin
Jun 26 · 6:58 AM
NET July 2 LT.
Cosmic_Penguin
Jun 25 · 6:10 AM
NET July 1 LT.
Cosmic_Penguin
May 15 · 9:06 PM
Launch TBD after fairing separation incident on the pad
SwGustav
May 14 · 9:33 PM
Scrubbed
SwGustav
May 13 · 8:11 AM
Setting go for launch.
Cosmic_Penguin
May 13 · 1:38 AM
NET May 15 LT, TBC.
Cosmic_Penguin
May 4 · 2:21 AM
NET May 15.
Cosmic_Penguin
Mar 29 · 6:24 AM
NET April.
Cosmic_Penguin
Mar 7 · 1:58 PM
Launch delayed due to launch site impact by Tropical Cyclone Alfred.
Cosmic_Penguin
Feb 27 · 7:42 AM
Adding launch
Nosu

Eris Block 1

Vehicle history

Height

25m

Diameter

To low Earth orbit

305kg

Next From Bowen Orbital Spaceport

Bowen Orbital Spaceport schedule

Mar31Wed

Eris-1 | Flight TwoGilmour Space Technologies · Eris Block 1 · Eris Pad, Bowen Orbital SpaceportLow Earth OrbitTo be determinedTime TBD

Space Launch Now for iOS and Android

Follow Gilmour Space Technologies to hear when findings come out and when Eris Block 1 flies next.

See what's in the app

Scan to open on your phone

Maiden Flight

What Happened

Replay

The Flight Plan

Ascent2

Second Stage and Payload3

Mission

Gilmour Space Technologies

Updates

Eris Block 1

Updates When There's News.

Maiden Flight

What Happened

Replay

The Flight Plan

Ascent2

Second Stage and Payload3

Mission

Gilmour Space Technologies

Updates

Eris Block 1

Next From Bowen Orbital Spaceport

Updates When There's News.

Next From Bowen Orbital Spaceport