FOV | 2.86◦ |
IFOV (nadir) | 17.16 µrad: ≤ 20 µrad |
Image scale at 100 km altitude | 1.7 meter/pixel: ≤ 2 meter/pixel |
Max. swath at 100 km altitude | 5.2 × 144 km: ≥ 5 × 136 km |
f/# | 3.6 |
Focal length | 699.275 ± 0.01 mm |
Optical center location | Sample 1558 (1545, 1572 95% bounds) |
Primary mirror diameter | 195 mm |
Aperture | 194.4 mm |
MTF (Nyquist) | 0.21: ≥ 0.2 |
Effective number of stages of TDI | 32 |
Inverse gain | Shallow 23 e−/DN, deep 30 e−/DN |
Detector noise | Shallow 62 e−, deep 58 e− |
Maximum signal at flight gains | Shallow 94,000 e−, deep 123,000 e− |
SNR performance | > 100 for radiance > 0.12 W/m2/sr/µm : |
SNR requirement | > 100 for optimal secondary lighting |
Radiometric calibration coefficient | Shallow 6,740, deep 4,940 (DN/ms)/ (W/m2/sr/µm) |
Spatial response uniformity | 1% : < 2% |
Absolute radiometric uncertainty | 6% |
Active pixels | 3,072 |
Maximum lines | 84,992 |
Detector digitization | 12 bit, encoded to 8 bit |
Data link | 30 Mbps |
Voltage | 28 ± 7 V DC |
Peak power | 9.3 W |
Standby power | 4.5 W |
Mass | 8.75 kg |
Volume (length × diameter) | 118 cm × 27 cm (including radiator) |