LEO Express 1

active

Technology DemonstrationLEOCOSPAR 2023-174AXLaunched 11/11/2023

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Mission & Launch

Launch Mission: Transporter-9
Launch Vehicle: Falcon 9 FT5
Launch Date: 11/11/2023

Orbit & Mass

Orbit Class: LEO
Altitude: 521.5 km
Inclination: 97.48 deg
Dry Mass: 200 kg
Total Mass: 250 kg

Payload Classification

Mission Type

Technology Demonstration

Payload Category

TECH

Payload Class

B

Organizations

Operator: Impulse Space
Manufacturer: Impulse Space

Registry

COSPAR ID: 2023-174AX
UN Registration: ST/SG/SER.E/1186

Track

Mentions

25

All verified mentions of this spacecraft in source documents.

Impulse Space’s Saiph thruster is space qualified and ready to support the LEO Express-1 mission scheduled to launch in October 2023.

PlanCapabilityValue 4.0May 10, 2023Impulse Space’s Saiph Thruster is now space qualified

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LEO Express-1 is Impulse Space’s first orbital mission and will use Mira, Impulse Space’s first spacecraft, to perform in-space services.

GeneralCapabilityValue 3.8May 10, 2023Impulse Space’s Saiph Thruster is now space qualified

Impulse Space is committed to meeting a current launch timeline of 2023-10-01 for LEO Express-1.

PlanValue 3.5Jan 11, 2023The 1st orbital mission for Impulse Space is revealed

Impulse Space procured a launch slot for LEO Express-1 on a SpaceX Falcon 9 rocket as part of the Transporter-9 mission.

RelationshipsPlanValue 4.2Jan 11, 2023The 1st orbital mission for Impulse Space is revealed

LEO Express-1, using Impulse Space's transfer vehicle Mira, is manifested for launch on SpaceX’s Transporter-9 rideshare mission currently scheduled for the fourth quarter of 2023.

PlanGeneralValue 4.0Jan 5, 2023Impulse Space announces first orbital transfer vehicle mission