Back to Vehicle Families

SOHO spacecraft

SOHO is the joint ESA-NASA solar observatory built to study the Sun from its deep interior through the corona and solar wind. The Matra Marconi Space-led spacecraft operates around Sun-Earth L1, combining uninterrupted solar viewing with a long-running record used for heliophysics and space-weather monitoring.

Follow this vehicle family

Future launches and major activity directly linked to this vehicle family.

Identity

Aliases
Solar and Heliospheric Observatory spacecraft
Family Name
SOHO
Full Name
SOHO spacecraft
Roles
observatoryorbiterresearch
Status
active
Type
spacecraft

Details

Description
SOHO is the joint ESA-NASA solar observatory built to study the Sun from its deep interior through the corona and solar wind. The Matra Marconi Space-led spacecraft operates around Sun-Earth L1, combining uninterrupted solar viewing with a long-running record used for heliophysics and space-weather monitoring.
First Flight Year
1,995
Manufacturer
Operator
Propulsion Configurations
  • Entries
    • Count
      1
      Propulsion System
      Role
      maneuvering
      Stage
      spacecraft
      Variant Notes
      One integrated blowdown monopropellant hydrazine system with sixteen 4.5 N thrusters in two branches of eight for delta-V, stationkeeping, momentum management, and roll, yaw, and pitch control.
    Name
    SOHO sixteen-thruster hydrazine propulsion installation
    Notes
    NASA technical documentation describes SOHO as a single-tank monopropellant blowdown system with two branches of eight 4.5 N hydrazine thrusters. The system provides delta-V and roll, yaw, and pitch control for the Sun-Earth L1 observatory.
Spacecraft Specs
Launch Mass Kg
1,864
Reusability
expendable

Links

Assets & Meta

Creation Time
July 29, 2026 at 10:38:10 UTC
Updated Time
September 8, 2026 at 09:33:46 UTC