Nebula
Terran Orbital
Constellation-grade ESPA/ESPA-Grande microsatellite bus with optional Type 1 encryption, successor to the Zuma bus used on SDA Tranche 0.
Typed specifications38 values
Discloses 4 of 11 fields engineers filter by in this category (category median 1).
- Mass
- 250 kg Wet · datasheet p.2
- Envelope (L×W×H)
- 82cm x 58cm x 39cm Dimensions without Solar Panels · datasheet p.2 82cm x 58cm x 39cm without Solar Panels
- Supply voltage
- 66 V nom. · system power · datasheet p.2
- Form factor
- ESPA Configuration ESPA or ESPA Grande · datasheet p.2
- Orbit
- LEO Applications LEO; native orbits 400km-1200km · datasheet p.2
- Max payload mass
- 130 kg max · Available Payload Mass, up to · datasheet p.2
- Regulated voltages for the payload
- 12 V 12V rail available for payload · datasheet p.2 28 V 28V rail available for payload | 9 V 9V rail available for payload | 12 V | 9 V
- Unregulated bus for the payload
- 66 V nom. · 66V system power · datasheet p.2 66 V 66V system power
- Power generation (orbit average)
- 1 000 W max · peak (Max Solar Array Power) · datasheet p.2
- Pointing accuracy
- 0.003–0.014 ° 10 to 50 arcseconds; higher accuracy available · datasheet p.2
- Propulsion
- optional product page included 2150s hall effect standard, options available; thrust 1.1mN
- Payload data downlink rate
- 2 000 kbps S-band downlink (uplink 125 Kbps) · datasheet p.2 650 000 kbps X-Band downlink
- Radio band
- S datasheet p.2 X
- Subsystems included
- propulsion 2150s hall effect standard, thrust 1.1mN · datasheet p.2 battery 66V Battery Modules (8-12) | EPS 66V MPPT (2), 66V Load Controller, 28V High Power and Low Pow… | other Backplane; LDRR (2); MDR (2) | ADCS Coarse Sensors (4), Gyro Assembly, Star Trackers (3), Magneto… +5
- Max satellite wet mass
- 250 kg Launch Mass (Wet) · datasheet p.2 250 kg max · Launch Mass (Wet); maximum mass may not be supported on all l…
- Separation interface diameter
- 381 mm datasheet p.1
- Rail standard
- ESPA ESPA or ESPA Grande · datasheet p.2
- Flight heritage
- Space Development Agency’s Tranche 0 Transport Layer datasheet p.1
- Satellite class
- ESPA-class ESPA or ESPA Grande · datasheet p.2
Each value is typed with its unit and measurement condition and cites the datasheet page it was taken from. Nothing is guessed: a field that is absent here has not been published by the manufacturer. machine-extracted ✓ checked by NewSpace Market ✓ manufacturer confirmed by the manufacturer.
As published by the supplier13 lines, in the manufacturer's own wording
- Configuration
- ESPA or ESPA Grande
- Applications
- LEO
- Native orbits
- 400 km - 1200 km
- Launch mass (Wet, max)
- Up to 250 kg
- Available payload mass
- Up to 130 kg
- Max solar array power
- 1 kW (3rd-party solar array included)
- Redundancy
- Dual-string
- Power system
- 66 V system power; 28 V, 12 V, 9 V rails available for payload
- Communication data rate
- S-band: 125 Kbps uplink, 2 Mbps downlink; X-band: 650 Mbps downlink
- Propulsion
- 2150s Hall-effect standard, options available
- Thrust
- 1.1 mN
- Dimensions (without solar panels)
- 82 cm x 58 cm x 39 cm
- Pointing accuracy
- 10 to 50 arcseconds, higher accuracy available
About
Nebula comes with Terran Orbital’s standard microsat EPS architecture and builds on the entire product line of satellite buses and common modules for avionics and GNC algorithms. The reaction wheels on this platform are sized to allow the spacecraft to maintain agility, and the bus is designed from the ground up to be compatible with rideshare requirements. Nebula supports commercially available custom payloads and easily accommodates those with odd shapes. It includes a propulsion system ideal for phasing a constellation into its mission orbit, station keeping, and disposal. The previous-generation Nebula bus, called Zuma, was used to fulfill the bus requirement for the Space Development Agency’s Tranche 0 Transport Layer.
Key benefits: flexible launch configuration on 15-inch ESPA or 24-inch ESPA Grande (or equivalent); optional Type 1 encryption (DoD/Intel); open deck plan allows easy accommodation of oddly shaped payloads.
Baseline modules included: Flight Computers (2), Watchdog Backplane, 66V Battery Modules (8-12), 66V MPPT (2), 66V Load Controller, 28V High/Low Power Point of Load (varies), Coarse Sensors (4), Gyro Assembly, Star Trackers (3), GPS (2), Magnetorquers (3), Reaction Wheels (4), LDRR (2), MDR (2).
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.