| Spectrometer type | double spectrometer with pre-disperser prism and four holographic gratings |
| Spectral range | 240 –790 nm |
| Field of view | 0.286° (across track) x 2.75°
(along track) |
| Entrance slit | 0.2 mm (across track) x 9.6 mm
(along track) |
| Channels & resolution | 1: 240 – 315 nm 0.24 - 0.29 nm
2: 311 – 403 nm 0.26 – 0.28 nm |
| | 3: 401 – 600 nm 0.44 – 0.53 nm
4: 590 – 790 nm 0.44 – 0.53 nm |
| Polarisation monitoring unit | 200 detector pixel
312 – 790 nm in 12 programmable bands |
| | spectral resolution: 2.8 nm at 312 nm to 40 nm at 790 nm |
| Viewing modes | +/- 960 km, +/- 480 km, +/- 360 km, +/- 240 km, +/- 120 km |
| Solar | fixed varying angle |
| Lunar | fixed angle (~ 6 times per year) |
| Spectral calibration | fixed angle (once per day to once per month) |
White Light Source
Dark signal | fixed angle (night side of the orbit) |
| Spatial resolution | 40 km x 40 km (960 km swath and integration time of 0.1875 s) |
| | 40 km x 5 km (for polarisation monitoring) |
| Data rate | 400 kbit/s (GOME-1: 40 kbit/s) |
| Mass | 70 kg (GOME-1: 55 kg) |
| Power | 44 W (avg) (GOME-1: 32 W) |
| Dimension | Zenith nadir 656 mm, across-track 848 mm, velocity 468 mm |
