Launcher

RS1

Two-stage smallsate launcher designed to loft 1350kg to Low Earth Orbit.

Launcher Info

Status
Prototype
Maximum Performance
Small-Lift
Type
Rocket Launcher
Reusability

Launcher Cofigurations

Tab 1
Tab 2
Tab 3

Related Links

No items found.

Additional Background

Nine E-2 engines power the first-stage. A single vacuum-optimized E-2 engine powers the second-stage.

Not yet in service. First launch attempt failed; company is current preparing for a second launch attempt.

Launches From

ABL Space Systems
Active
United States

Engines

ABL Space Systems
In Service
Liquid
RP1
Oxygen

Common Payloads

No items found.

Company

Privately-Held
Active Business

Operated By

No items found.

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Service History

Development History

Launch Manifest

No items found.

Launch History

10 Jan 2024

RS-1 Flight 1

Launch Time (UTC)
2023-01-10 23:27
Launch Time (Local)
2023-01-10 14:27
Local Timezone
Alaska Standard Time UTC-9

Being launched by

ABL Space Systems

Launching from 

LP-3C

Pacific Spaceport Complex
Kodiak, Alaska, United States

First launch attempt of the RS-1 launcher by ABL Space Systems.

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RS1 X-63
Planned configuration where the first stage engine was replaced by an aerospike engine.
Configuration Service Status
Development Suspended
Mass to LEO Classification
Small-Lift
Performance
Orbit
Mass to Orbit (kg)
Low-Earth Orbit (LEO)
No Data
Sun-Synchronous Orbit (SSO)
No Data
Geostationary Transfer Orbit (GTO)
No Data
Geostationary Orbit (GSO)
No Data
Lunar Transfer Orbit (LTO)
No Data
Mars Transfer Orbit (MTO)
No Data
Specs
Orbit
Mass to Orbit (kg)
Length
1.83
No Data
Diameter
1.83
No Data
Dry Mass
No Data
Pressurized Volume
No Data
No detailed launcher stage information is available.
RS1 Block 2
Upgraded configuration with 11 E2 engines; this configuration was used on the second flight vehicle.
Configuration Service Status
Development Suspended
Mass to LEO Classification
Small-Lift
Performance
Orbit
Mass to Orbit (kg)
Low-Earth Orbit (LEO)
1350
No Data
Sun-Synchronous Orbit (SSO)
970
No Data
Geostationary Transfer Orbit (GTO)
320
No Data
Geostationary Orbit (GSO)
No Data
Lunar Transfer Orbit (LTO)
No Data
Mars Transfer Orbit (MTO)
No Data
Specs
Orbit
Mass to Orbit (kg)
Length
1.83
No Data
Diameter
1.83
No Data
Dry Mass
No Data
Pressurized Volume
No Data
No detailed launcher stage information is available.
RS1 Block 1
Initial RS1 configuration with 9 E2 engines in the first-stage.
Configuration Service Status
Development Suspended
Mass to LEO Classification
Small-Lift
Performance
Orbit
Mass to Orbit (kg)
Low-Earth Orbit (LEO)
1350
No Data
Sun-Synchronous Orbit (SSO)
970
No Data
Geostationary Transfer Orbit (GTO)
320
No Data
Geostationary Orbit (GSO)
No Data
Lunar Transfer Orbit (LTO)
No Data
Mars Transfer Orbit (MTO)
No Data
Specs
Orbit
Mass to Orbit (kg)
Length
1.83
No Data
Diameter
1.83
No Data
Dry Mass
No Data
Pressurized Volume
No Data
No detailed launcher stage information is available.