Space Systems parts lists
BOMwiki lists 46 products in space systems, with 4,589,775 parts counted across their recorded bills of materials. The highest recorded part count is the orbital launch vehicle at 2,510,534 parts across 6 top-level items; the lowest is the spacecraft radiator panel at 32. Open a product to explore its recorded components and their roles. Counts describe the current BOMs, not a complete inventory of every product variant.
46 products
Cargo Resupply Spacecraft
An uncrewed logistics vehicle that carries pressurized cargo to an orbital station, combining a cargo module with a service module providing propulsion, power, and guidance.
574 parts · 7 BOM lines
Communications Satellite
A geostationary communications satellite carrying a multi-band transponder payload on a three-axis-stabilized bus.
725 parts · 9 BOM lines
Crew Capsule
A reusable crewed spacecraft that carries astronauts to orbit and returns them through atmospheric entry under an ablative heat shield and parachutes.
257 parts · 9 BOM lines
Crewed Space Capsule
Pressurized capsule for carrying astronauts to and from orbit.
7,222 parts · 9 BOM lines
CubeSat
A 3U nanosatellite for low-Earth-orbit imaging missions.
158 parts · 9 BOM lines
CubeSat Power Module
Compact power distribution and energy storage system for small satellites using rechargeable battery cells and integrated charge/discharge controllers.
36 parts · 8 BOM lines
Deployable Solar Array Wing
Expandable photovoltaic power generation system that folds against a spacecraft body during launch and deploys in orbit.
37 parts · 8 BOM lines
Earth Observation Satellite
Satellite carrying cameras and sensors to image the Earth. From a low polar orbit it sweeps the surface as the planet turns beneath it, capturing high-resolution imagery and storing it until it can downlink to a ground station.
1,879 parts · 8 BOM lines
EVA Space Suit
A one-person anthropomorphic spacecraft combining a 29.6 kPa pure-oxygen pressure garment with a backpack life support system that sustains an astronaut for 8-hour spacewalks.
181 parts · 8 BOM lines
Geostationary Comsat
Satellite parked over the equator to relay broadcast and data signals. It holds a fixed point in the sky by matching Earth's rotation, then receives signals on uplink and rebroadcasts them down across a continent-sized footprint.
2,986 parts · 7 BOM lines
GPS Navigation Satellite
A medium-Earth-orbit spacecraft that broadcasts precisely timed L-band ranging signals derived from onboard atomic clocks, allowing receivers on the ground to trilaterate position to metre level.
2,640 parts · 9 BOM lines
Hall Effect Thruster
Electric plasma thruster that ionizes propellant gas and accelerates ions in a crossed electric and magnetic field, producing high specific impulse.
32 parts · 8 BOM lines
Ion Thruster
A gridded electrostatic thruster that ionizes xenon in a discharge chamber and accelerates the ions through charged grids to ~30 km/s exhaust velocity, trading tiny thrust for ten times the fuel economy of chemical rockets.
880 parts · 8 BOM lines
Launch Escape System
Rapid-deployment abort system that propels a crew capsule away from a failing launch vehicle using solid-rocket motors.
37 parts · 8 BOM lines
Liquid Rocket Engine
A turbopump-fed liquid-propellant rocket engine that burns LOX and kerosene in a regeneratively cooled thrust chamber to produce roughly 850 kN of sea-level thrust.
392 parts · 8 BOM lines
Lunar Lander
An uncrewed spacecraft that brakes itself from lunar orbit with a throttleable descent engine, navigates to a chosen site by camera and laser, and sets a payload deck down on four shock-absorbing legs.
1,803 parts · 9 BOM lines
Mars Science Rover
A nuclear-powered six-wheeled robotic laboratory that drives across Mars, drills rock, and analyzes samples.
1,624 parts · 10 BOM lines
Nanosatellite
Very small satellite massing only a few kilograms for low-cost missions. Built to the CubeSat standard, it stacks commercial-grade circuit boards into a compact frame and flies a single instrument on a tight power and mass budget.
737 parts · 7 BOM lines
Orbital Launch Vehicle
A two-stage kerosene/liquid-oxygen rocket of roughly three million parts, the Saturn V was documented at about 3 million, that accelerates a payload to ~7.8 km/s using nine first-stage engines and one vacuum-optimised second-stage engine.
2,510,534 parts · 6 BOM lines
Planetary Lander
Spacecraft that touches down softly on a moon or planet surface. A descent propulsion system slows it from orbit, landing legs absorb the impact, and a structure carries the avionics, power, and science payload through entry and onto the ground.
1,109 parts · 8 BOM lines
Planetary Rover
Wheeled robotic vehicle for exploring planetary surfaces. A rocker-bogie suspension keeps all wheels on uneven terrain, cameras and software let it drive itself, and a science arm and instruments study rocks and soil far from any operator.
1,805 parts · 9 BOM lines
Reaction Wheel Assembly
Momentum storage device that spins a flywheel to control spacecraft attitude through conservation of angular momentum.
39 parts · 8 BOM lines
Reusable Launch Vehicle
A two-stage kerosene/liquid-oxygen rocket whose first stage flies back and lands propulsively on legs, guided by grid fins, and is reflown, the Falcon 9 architecture that individual boosters have demonstrated across more than two dozen flights each.
2,046,169 parts · 6 BOM lines
Rocket Transporter-Erector
A mobile launch support structure that transports a multi-stage rocket horizontally, then mechanically elevates it to vertical launch orientation.
167 parts · 7 BOM lines
Rocket Upper Stage
The final propulsive stage of a launch vehicle: a cryogenic LOX/LH2 tank set and a restartable vacuum-optimized engine that take the payload from staging velocity to its target orbit and then deorbit themselves.
1,459 parts · 8 BOM lines
Sample Return Capsule
A reentry vehicle that protects returned geological or atmospheric samples during hypersonic entry, descent, and landing.
53 parts · 7 BOM lines
Satellite Antenna Reflector
Deployable parabolic or mesh dish that focuses or transmits RF energy, with precision shape maintained by deployment mechanism and feed assembly.
33 parts · 8 BOM lines
Satellite Battery Module
Large-capacity energy storage system for spacecraft using stacked lithium-ion or nickel-hydrogen cell packs with integrated BMS and thermal control.
33 parts · 8 BOM lines
Satellite Dispenser
A load-bearing adapter structure mounted on the launch vehicle upper stage that carries multiple satellites through ascent and releases each on command with a controlled separation velocity.
188 parts · 7 BOM lines
Satellite Ground Station Antenna
A steerable parabolic dish, typically 3-13 m in diameter, that tracks satellites across the sky on azimuth and elevation axes while a cooled low-noise front end recovers downlink signals tens of decibels below the noise floor of ordinary receivers.
274 parts · 7 BOM lines
Satellite Laser Communication Terminal
A free-space optical communications terminal using coherent laser modulation to achieve Gbps data rates between satellites without RF spectrum licensing.
197 parts · 7 BOM lines
Satellite Propellant Tank
A pressurized titanium vessel storing hypergolic or cryogenic propellant, with integrated fluid management devices for zero-gravity propellant settling.
54 parts · 7 BOM lines
Solar Sail Spacecraft
A spacecraft propelled by solar radiation pressure on a large, ultrathin reflective membrane without onboard propellant.
170 parts · 7 BOM lines
Solar Simulator
A ground test facility using xenon or LED arrays and collimating optics to illuminate spacecraft thermal and solar models with reproducible solar radiation matching AM0 spectrum.
97 parts · 7 BOM lines
Sounding Rocket
A single-stage suborbital research rocket for upper-atmosphere science.
344 parts · 7 BOM lines
Space Plant Growth Chamber
A sealed plant cultivation module using LED lighting and hydroponic root systems to grow leafy greens and medicinal plants in microgravity.
82 parts · 7 BOM lines
Space Station Module
A pressurized orbital habitat element with a welded aluminum shell, docking ports, ECLSS racks, and external power and thermal interfaces.
700 parts · 8 BOM lines
Space Station Treadmill
A microgravity treadmill that uses dynamic stabilization and impact absorption to allow astronauts to perform aerobic exercise without restraint or anchoring.
151 parts · 7 BOM lines
Space Telescope
An orbiting observatory that collects light with a large segmented primary mirror, feeds it to cooled science instruments behind a deployable sunshield, and returns the data to Earth over a high-gain Ka-band link.
1,843 parts · 8 BOM lines
Spacecraft Cryocooler
A pulse-tube or Stirling cryogenic refrigerator cooling infrared sensors to 80 K without moving parts or cryogenic fluids.
66 parts · 7 BOM lines
Spacecraft Docking Adapter
Mechanical and electrical interface that enables controlled capture, alignment, and mating between two spacecraft.
41 parts · 8 BOM lines
Spacecraft Parachute System
Multi-stage descent system using small drogue parachutes and large main canopies to slow a re-entering spacecraft to safe landing velocity.
33 parts · 8 BOM lines
Spacecraft Radiator Panel
Thermal dissipation device that radiates waste heat from spacecraft electronics to the vacuum of space.
32 parts · 8 BOM lines
Star Tracker
An autonomous optical attitude sensor that images star fields, matches them against an onboard catalog, and outputs spacecraft attitude quaternions accurate to a few arcseconds.
48 parts · 7 BOM lines
Thermal Vacuum Chamber
A large sealed chamber creating simultaneous thermal cycling (to ±100 °C) and high vacuum (10⁻⁷ Torr), enabling spacecraft thermal-vacuum qualification testing.
89 parts · 8 BOM lines
Weather Satellite
A geostationary meteorological spacecraft whose imaging radiometer scans the full Earth disc in 16 spectral bands every 10 minutes, feeding forecasts, storm warnings, and climate records through a continuous downlink.
1,765 parts · 9 BOM lines
Shared component references 12
Components ranked by how many of the 46 recorded product BOMs reference the same page, directly or through a sub-assembly. A shared reference does not establish replacement-part compatibility.
- Fastener Set in 43 of 46 productsBolts, nuts, and washers.
- Bare PCB in 41 of 46 productsUnpopulated printed circuit board: copper traces etched on an FR-4 glass-epoxy laminate that carry current between the components later soldered to it.
- Connector in 39 of 46 productsMating plug-and-socket pair that joins two lengths of wiring or a cable to a board so a circuit can be assembled, serviced, and separated without soldering.
- Wire Bundle in 32 of 46 productsGroup of insulated conductors cut to length, terminated, and bound together to carry power and signals between the assemblies of a machine.
- Microcontroller in 31 of 46 productsSingle-chip microcontroller combining a processor core, flash memory, RAM, and peripherals such as timers, ADCs, and serial ports to run the device's control firmware.
- Relay in 31 of 46 productsElectromechanical switch in which a small coil current closes or opens contacts rated for a much larger load, isolating control circuits from what they switch.
- SMD Passive (R/C/L) in 27 of 46 productsSurface-mount resistors, capacitors, and inductors, typically in 0402 to 1206 packages, that set voltages, filter noise, and time signals on a circuit board.
- Ball Bearing in 26 of 46 productsDeep-groove radial ball bearing.
- Pressure Sensor in 20 of 46 productsTransduces fluid or gas pressure into an electrical signal.
- Encoder in 19 of 46 productsRotary or linear sensor that reports position and speed of a shaft or axis as electrical pulses or absolute position data for closed-loop control.
- Neodymium Magnet in 19 of 46 productsSintered neodymium-iron-boron permanent magnet, the strongest commercial magnet type, used for motor rotors, sensors, latches, and speakers.
- O-Ring Set in 19 of 46 productsSet of elastomer rings seated in grooves to seal static or slow-moving joints against fluid and gas, sized to ISO 3601.