Launch Date |
24 September 1999 at Vandenberg Air Force Base, California, USA |
Operational Life |
Over 7 years |
Orbit |
98.1 degree, sun synchronous |
Speed on Orbit |
7.5 kilometers per second |
Speed Over the Ground |
6.8 kilometers per second |
Revolutions Around the Earth |
14.7, every 24 hours |
Altitude |
681 kilometers |
Resolution at Nadir |
0.82 meters panchromatic; 3.2 meters multispectral |
Resolution 26° Off-Nadir |
1.0 meter panchromatic; 4.0 meters multispectral |
Image Swath |
11.3 kilometers at nadir; 13.8 kilometers at 26° off-nadir |
Equator Crossing Time |
Nominally 10:30 AM solar time |
Revisit Time |
Approximately 3 days at 40° latitude |
Dynamic Range |
11-bits per pixel |
Image Bands |
Panchromatic, blue, green, red, near IR |