Stationary Plasma Thruster with a Discharge Power of up to 5 kW
Glavkosmos
A Stationary Plasma Thruster (SPT) designed for spacecraft station keeping and orbit raising, utilizing xenon propellant and offering discharge power up to 5 kW.
Key figurescomparable across the catalogue
- Mass
- 8.8 kg
- Power
- 3,000 W
- Thrust
- 0.193 N
- Specific impulse
- 1,680 s
- Total impulse
- 14 N·s
- Design life
- 2.28 years
- Lead time
- 12 months
Normalised to common units so this product can be compared with others in its category. The supplier's own wording is below.
As published by the supplier
- Purpose
- Spacecraft station keeping.Spacecraft orbit raising to GEO
- Year of release
- 1996
- Design life
- 20000 hours 7000 cycles years
- Lead time
- 12 months
- Flight qualification of the product
- Yes
- Brief history of flight qualification
- As part of SS/Loral’s S/C
- Possibility to adapt the product to customer requirements
- Yes
- Discharge power
- 3000/4500 W
- Discharge voltage
- 300 V
- Discharge current
- 10.0/15.0 A
- Thrust
- 193/290 mN
- Specific impulse
- 1680/1770 s
- Efficiency
- 50/55%
- Specific power
- 341/511 W/kg
- Power-to-thrust ratio
- 15.5 W/mN
- Total impulse
- > 14 MN∙s
- Mass
- 8.8 kg
About
This Stationary Plasma Thruster (SPT) is designed for critical spacecraft operations, including station keeping and orbit raising to Geostationary Earth Orbit (GEO). It was released in 1996 and boasts a guaranteed service life of 20,000 hours and 7,000 cycles. The thruster uses xenon as propellant and consists of both anode and cathode units. It features a classical magnetic system of armored type with magnetic screens. The outside diameter of the accelerating channel is 140 mm, with a mean diameter of 120 mm. The product is flight qualified, with its flight heritage established as part of SS/Loral’s spacecraft. The manufacturer offers the possibility to adapt the product to customer requirements. Estimated production and delivery time is 12 months, not including material procurement (4 months) and procured parts and components (6 months).
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.