FreeForm Microsatellite Platform
High-capacity microsatellite bus with a large, unobstructed Nadir-face payload volume and agile, sub-millidegree pointing for demanding Earth-observation and constellation missions.
Typed specifications46 values
Discloses 5 of 7 fields engineers filter by in this category (category median 3).
- Mass
- 140 kg datasheet p.0
- Envelope (L×W×H)
- 480x600x800 mm datasheet p.1
- Data interface
- UART datasheet p.1 UART payload communication | SpaceWire | SpaceWire payload communication | CAN +1
- Design lifetime
- 5 years datasheet p.1 5 years row printed once for both 16U and Freeform
- Form factor
- custom Freeform (non-CubeSat) platform · datasheet p.1
- Orbit
- LEO LEO, 50° to SSO, All LTANs · datasheet p.1 SSO LEO, 50° to SSO, All LTANs
- Max payload mass
- 80 kg max · Payload Mass max. · datasheet p.1
- Payload volume, U
- 480x600x800 mm datasheet p.1
- Payload envelope (L × W × H)
- 480x600x800 datasheet p.1 480 x 600 x 800 Payload Volume
- Power available to payload
- 78 W orbit average, SSO 550 km, LTAN 12h-24h · datasheet p.1 175 W orbit average, SSO 550 km, LTAN 6h-18h | 78 W orbit average, SSO 550km, LTAN 12h-24h | 175 W orbit average, SSO 550km, LTAN 6h-18h | 250 W min · peak (Payload Power max, printed '>250 W') +1
- Regulated voltages for the payload
- 28–33 V 4x1 high voltage lines, 28-33 V (regulated or not is not stated) · datasheet p.1 3.3–15 V 4x4 regulated lines (3.3-15V) | 3.3–15 V 4x4 regulated lines, 3.3-15 V
- Unregulated bus for the payload
- 28–33 V 4x1 high voltage (28-33V) · datasheet p.1 20–24 V up to 4x10 BNR (20-24V) | 20–24 V up to 4x10 BNR (non-regulated) lines, 20-24 V
- Power generation (orbit average)
- 270 W Bus power generation (orbit average / BOL-EOL not stated) · datasheet p.1
- Battery capacity
- 800 Wh BOL · datasheet p.1 560 Wh EOL
- Propulsion
- included Iodine 9 400 N.s or Electrospray 18 800 N.s total impulse · datasheet p.1
- Payload data downlink rate
- 400 kbps S-band downlink, command & control (row shared by 16U and Fre… · datasheet p.1 522 000 kbps max · X-band downlink, 'up to 522 Mbps' (row shared by 16U and Free…
- Radio band
- S command & control uplink/downlink · datasheet p.1 X downlink
- Subsystems included
- EPS datasheet p.1 ADCS GNC | propulsion Iodine or Electrospray | S-band radio S-Band uplink/downlink, command & control | battery +1
- Max satellite wet mass
- 140 kg datasheet p.1 140 kg max · Spacecraft Mass Max
- Satellite class
- microsat 10-100 kg datasheet p.1
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
- Max payload mass
- 80 kg
- Payload volume
- 480 x 600 x 800 mm
- Peak power
- 250 W (comparative platform spec sheet: 200 W)
- Payload average orbit power (PAOP)
- LTAN 6H: 195 W; LTAN 10H30: 102 W
- Downlink
- S-Band: 400 kbit/s; X-Band: 522 Mbps
- Pointing error (APE)
- < 7 mdeg (164 urad, PAR 126 urad)
- Absolute knowledge error (AKE)
- < 5 mdeg (133 urad, PAR 94 urad)
- Relative pointing error (RPE, 1s)
- < 0.012 mdeg (11.5 urad, PAR 0.2 urad)
- Slew maneuver
- 90 degrees in 60 seconds, with focal motion compensation (FMC)
- Design life
- 5 years in LEO
- Command link
- Omnidirectional S-band, AES-256 encrypted
- Propulsion total impulse
- Up to 18,800 N.s
- Architecture
- Redundant subsystems, triplicated flight software
About
FreeForm is U-Space’s microsatellite platform, designed for missions requiring a high payload-mass-to-bus ratio and a large, well-separated payload volume on the Nadir face. It combines agile and precise guidance, navigation and control (pointing error under 7 mdeg, with 90-degree slews in 60 seconds and integrated focal-motion compensation for high-resolution imaging) with a design life of 5 years in LEO, redundant architecture and triplicated flight software for high reliability. Communications use an encrypted (AES-256) omnidirectional S-band link for command and control and a high-rate X-band downlink up to 522 Mbps. FreeForm supports payloads up to 80 kg in a 480x800x600 mm volume, up to 250 W peak power, absolute knowledge error under 5 mdeg, and scalable propulsion delivering up to 18,800 N.s of total impulse for station-keeping, collision avoidance and safe disposal. Applications include high-resolution Earth observation, RF surveillance/signals intelligence, in-orbit servicing and inspection, and ‘zero debris’ compliant constellation deployment. U-Space also offers optional turnkey services alongside the platform: end-to-end integration and validation with full ground-segment interoperability, hardware-in-the-loop simulator training, and standard satellite command, control and in-flight maintenance operations.
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.