Moderate-resolution Imaging Spectro-radiometer (MODIS)
MODIS |
Moderate-resolution Imaging Spectro-radiometer |
Satellites |
EOS-Terra and EOS-Aqua |
Status |
Operational – Utilised in the period 1999 to ~ 2009 |
Mission |
Multi-purpose VIS/IR imagery |
Instrument type |
36-channel VIS/IR spectro-radiometer |
Scanning technique |
Swath 2230 km. Whiskbroom scanning: a strip of 19.7 km width along-track is cross-track scanned every 2.956 s. The strip includes 16 parallel lines sampled by 2048 pixel of 1000 m s.s.p., or 32 parallel lines sampled by 4096 pixel of 500 m s.s.p., or 64 parallel lines sampled by 8192 pixel of 250 m s.s.p. |
Coverage/cycle |
Global coverage nearly twice/day (long-wave channels) or once/day (short-wave channels) |
Resolution (s.s.p.) |
IFOV: 0.25 km (two channels), 0.5 km (5 channels), 1.0 km (29 channels) – See table |
Resources |
Mass: 250 kg - Power: 225 W - Data rate: 6.2 Mbps |
Central wavelength |
Bandwidth |
Radiometric accuracy (SNR or NEΔT) at specified NESR |
IFOV at s.s.p. |
645 nm |
50 nm |
128 @ 21.8 W m-2 sr-1 µm-1 |
250 m |
858 nm |
35 nm |
201 @ 24.7 W m-2 sr-1 µm-1 |
250 m |
469 nm |
20 nm |
243 @ 35.3 W m-2 sr-1 µm-1 |
500 m |
555 nm |
20 nm |
228 @ 29.0 W m-2 sr-1 µm-1 |
500 m |
1240 nm |
20 nm |
74 @ 5.4 W m-2 sr-1 µm-1 |
500 m |
1640 nm |
24 nm |
275 @ 7.3 W m-2 sr-1 µm-1 |
500 m |
2130 nm |
50 nm |
110 @ 1.0 W m-2 sr-1 µm-1 |
500 m |
412 nm |
15 nm |
880 @ 44.9 W m-2 sr-1 µm-1 |
1000 m |
443 nm |
10 nm |
838 @ 41.9 W m-2 sr-1 µm-1 |
1000 m |
488 nm |
10 nm |
802 @ 32.1 W m-2 sr-1 µm-1 |
1000 m |
531 nm |
10 nm |
754 @ 27.9 W m-2 sr-1 µm-1 |
1000 m |
551 nm |
10 nm |
750 @ 21.0 W m-2 sr-1 µm-1 |
1000 m |
667 nm |
10 nm |
910 @ 9.5 W m-2 sr-1 µm-1 |
1000 m |
678 nm |
10 nm |
1087 @ 8.7 W m-2 sr-1 µm-1 |
1000 m |
748 nm |
10 nm |
586 @ 10.2 W m-2 sr-1 µm-1 |
1000 m |
870 nm |
15 nm |
516 @ 6.2 W m-2 sr-1 µm-1 |
1000 m |
905 nm |
30 nm |
167 @ 10.0 W m-2 sr-1 µm-1 |
1000 m |
936 nm |
10 nm |
57 @ 3.6 W m-2 sr-1 µm-1 |
1000 m |
940 nm |
50 nm |
250 @ 15.0 W m-2 sr-1 µm-1 |
1000 m |
1375 nm |
30 nm |
150 @ 6.0 W m-2 sr-1 µm-1 |
1000 m |
3.750 µm |
0.180 µm |
0.05 K @ 0.45 W m-2 sr-1 µm-1 |
1000 m |
3.959 µm |
0.060 µm |
2.00 K @ 2.38 W m-2 sr-1 µm-1 |
1000 m |
3.959 µm |
0.060 µm |
0.07 K @ 0.67 W m-2 sr-1 µm-1 |
1000 m |
4.050 µm |
0.060 µm |
0.07 K @ 0.79 W m-2 sr-1 µm-1 |
1000 m |
4.515 µm |
0.165 µm |
0.25 K @ 0.17 W m-2 sr-1 µm-1 |
1000 m |
4.515 µm |
0.067 µm |
0.25 K @ 0.59 W m-2 sr-1 µm-1 |
1000 m |
6.715 µm |
0.360 µm |
0.25 K @ 1.16 W m-2 sr-1 µm-1 |
1000 m |
7.325 µm |
0.300 µm |
0.25 K @ 2.18 W m-2 sr-1 µm-1 |
1000 m |
8.550 µm |
0.300 µm |
0.25 K @ 9.58 W m-2 sr-1 µm-1 |
1000 m |
9.730 µm |
0.300 µm |
0.25 K @ 3.69 W m-2 sr-1 µm-1 |
1000 m |
11.030 µm |
0.500 µm |
0.05 K @ 9.55 W m-2 sr-1 µm-1 |
1000 m |
12.020 µm |
0.500 µm |
0.05 K @ 8.94 W m-2 sr-1 µm-1 |
1000 m |
13.335 µm |
0.300 µm |
0.25 K @ 4.52 W m-2 sr-1 µm-1 |
1000 m |
13.635 µm |
0.300 µm |
0.25 K @ 3.76 W m-2 sr-1 µm-1 |
1000 m |
13.935 µm |
0.300 µm |
0.25 K @ 3.11 W m-2 sr-1 µm-1 |
1000 m |
14.235 µm |
0.300 µm |
0.35 K @ 2.08 W m-2 sr-1 µm-1 |
1000 m |