Bradford Fine Sun Sensor (FSS)
Bradford Space
High-accuracy fine sun sensor with ±0.3° accuracy (3σ), 128×128° FOV, 375 g, >100 kRad TID tolerance for demanding missions.
Key figurescomparable across the catalogue
- Mass
- 0.375 kg
- Power
- 0.3 W
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
- FOV
- 128 × 128°
- Accuracy
- ±0.3° (3σ) across mission lifetime
- Resolution
- < 0.03°
- Noise equivalent angle
- < 0.05° (3σ)
- Mass
- 375 g
- Power consumption
- < 0.3 W @ ±15 V
- Data interface
- Analogue voltage
- Reliability figure
- 70 FIT @ 30°C; single unit >0.997 over 5 years
- TID resilience
- > 100 kRad
- SEE resistance
- Insensitive to SEE
- Electrical interface
- 15-pin D-sub connector + dedicated test connector
- Mechanical interface
- 4× M4 mounting holes
About
Bradford’s Fine Sun Sensor (FSS) delivers high pointing accuracy across its entire mission lifetime with ±0.3° (3σ) accuracy and ±0.03° resolution across a 128×128° FOV. At 375 g with a 15-pin D-sub connector, it tolerates >100 kRad TID and is insensitive to SEE. Analogue voltage data interface, 70 FIT at 30°C giving >0.997 reliability over 5 years in orbit for a single unit. Rich heritage across many demanding missions.
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.