Comparisons of Brightness Temperatures of Landsat-7/ETM+ and Terra/MODIS around Hotien Oasis in the Taklimakan Desert

Table 1

Satellite specification of Landsat-7 and Terra.

Satellite	Sensor	Launch date	Altitude; (km)	Inclination; (degrees)	Swath; (km)	Repeat cycle; (days)	Crossing time; (UTC)
Landsat-7	ETM+	April 15, 1999	705	98.2	185	16	10:00–10:15; (Descending node)
Terra	MODIS	December 18, 1999	705	98.2	2330	1-2	10:30; (Descending node)