Summary

Sinclair Interplanetary builds high-performance star trackers and baffles for small spacecraft with demonstrated orbital operation with full moon in FOV. There are currently 89 on-orbit onboard the following spacecraft:

  • SkySat-1 to -21 (x2 each, 42 total)
  • BRITE-PL1, -PL2, -Toronto, -Montreal (x1 each, 4 total)
  • Perseus M-1, M-2 (x1 each, 2 total)
  • GHGSat-D (CLAIRE) (x1)
  • GHGSat-C1, C2 (x1 each, 2 total)
  • Landmapper-BC 1, 2, 3, 4, 5 (x1 each, 5 total)
  • MKA-N 1, 2 (x1, 2 total)
  • Blacksky Global-1, -2, -3, -4, -7, -8, -9 (x2 each, 14 total)
  • ALE 1, 2 (x2 each, 4 total)
  • Confidential commercial spacecraft (x2)
  • Momentus X-1 (x1)
  • Palisade (x1)
  • NEMO-HD (x2)
  • GMS-T (x1)
  • ELSA-d (x2)
  • DMSat-1 (x1)
  • Pathstone (x2)
  • NORSAT-3 (x1)

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Last updated: 2021-06-11

Second Generation Star Tracker (ST-16RT2)

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Specs

mass
158 g (no baffle)
185 g (short baffle)
235 g (large baffle)
length
62 mm (no baffle)
width
56 mm (no baffle)
height
38 mm (no baffle)
power consumption
< 0.5 W (avg)
1 W (peak)
voltage
9 to 34 V (redundant pins, reverse polarity protected)
update rate
2 Hz
slew rate
< 3 deg s^-1
pointing accuracy
5 arcsecond cross-boresight (RMS)
55 arcsecond around boresight (RMS)
operating temperature
-40 to 50 C
survival temperature
-40 to 95 C
mechanical vibration
< 29.6 Grms
lifetime
9 years GEO
13 years LEO (800 km)

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