MODIS Technical Specifications


     
	     Orbit:	705 km, 10:30 a.m. descending node or 1:30 p.m.
			ascending node, sun-synchronous, near-polar, circular
         Scan Rate:	20.3 rpm, cross track
  Swath Dimensions:	2330 km (cross track) by 10 km (along track at nadir)
         Telescope:	17.78 cm diam. off-axis, afocal (collimated), with
			intermediate field stop
	      Size:	1.0 x 1.6 x 1.0 m
	    Weight:	250 kg
	     Power:	225 W (orbital average)
         Data Rate:	11 Mbps (peak daytime)
      Quantization:	12 bits
Spatial Resolution:	 250 m (bands 1-2)
			 500 m (bands 3-7)
			1000 m (bands 8-36)
       Design Life:	5 years

Primary Use	Band	Bandwidth	Spectral 	Required
					 Radiance	 SNR
--------------------------------------------------------------------
Land/Cloud	   1	 620 -  670	 21.8		 128
 Boundaries	   2	 841 -  876	 24.7		 201
--------------------------------------------------------------------
Land/Cloud	   3	 459 -  479	 35.3		 243
 Properties	   4	 545 -  565	 29.0		 228
		   5	1230 - 1250	  5.4		  74
		   6	1628 - 1652	  7.3		 275
		   7	2105 - 2155	  1.0		 110
--------------------------------------------------------------------
Ocean Color/	   8	 405 -  420	 44.9		 880
 Phytoplankton/	   9	 438 -  448	 41.9		 838
 Biogeochemistry  10	 483 -  493	 32.1		 802
		  11	 526 -  536	 27.9		 754
		  12	 546 -  556	 21.0		 750
		  13	 662 -  672	  9.5		 910
		  14	 673 -  683	  8.7		1087
		  15	 743 -  753	 10.2		 586
		  16	 862 -  877	  6.2		 516
--------------------------------------------------------------------
Atmospheric	  17	 890 -  920	 10.0		 167
 Water Vapor	  18	 931 -  941	  3.6		  57
		  19	 915 -  965	 15.0		 250
--------------------------------------------------------------------
--------------------------------------------------------------------
Primary Use	Band	Bandwidth	Spectral 	Required
					 Radiance	 NE(Delta-T)
--------------------------------------------------------------------
Surface/Cloud	  20	 3.660 -  3.840	  0.45		0.05
 Temperature	  21	 3.929 -  3.989	  2.38		2.00
		  22	 3.929 -  3.989	  0.67		0.07
		  23	 4.020 -  4.080	  0.79		0.07
--------------------------------------------------------------------
Atmospheric	  24	 4.433 -  4.498	  0.17		0.25
 Temperature	  25	 4.482 -  4.549	  0.59		0.25
--------------------------------------------------------------------
Cirrus Clouds	  26	 1.360 -  1.390	  6.00		150 SNR
 Water Vapor	  27	 6.535 -  6.895	  1.16		0.25
		  28 	 7.175 -  7.475	  2.18		0.25
		  29	 8.400 -  8.700	  9.58		0.05
--------------------------------------------------------------------
Ozone		  30	 9.580 -  9.880	  3.69		0.25
--------------------------------------------------------------------
Surface/Cloud	  31	10.780 - 11.280	  9.55		0.05
 Temperature	  32	11.770 - 12.270	  8.94		0.05
--------------------------------------------------------------------
Cloud Top	  33	13.185 - 13.485	  4.52		0.25
 Altitude	  34	13.485 - 13.785   3.76		0.25
		  35	13.785 - 14.085	  3.11		0.25
		  36	14.085 - 14.385	  2.08		0.35
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Bands 1 to 19 are in nm 	Bands 20 to 36 are in um
Spectral Radiance values are in W/m^2-um-sr
SNR = Signal-to-noise ratio	
NE(Delta -T) = Noise-equivalent temperature difference