Satellite profile
- ZY-3, which was launched on 9th, Jan. 2012 is an advanced remote sensing satellite capable of providing high-resolution stereo and multispectral imagery.
- The satellite provides imagery at
- 2.1 m nadir
- 3.6 m forward/backward
- 5.8 m MSI
- The most widely used imagery in China, the first choice for Chinese users with its confirmed best quality and service system.
- Rich archival data
| Loads |
Bands |
Spectra |
Width |
Side-sway |
Revisit |
period |
| Forward camera |
|
0.50-0.80μm |
3.5m |
52km |
±32° |
3-5 days |
| Backward camera |
|
0.50-0.80μm |
3.5m |
52km |
±32° |
3-5 days |
| Nadir camera |
|
0.50-0.80μm |
2.1m |
51km |
±32° |
3-5 days |
| MSI camera |
1 |
0.45-0.52μm |
6m |
51km |
±32° |
3-5 days |
| 2 |
0.52-0.59μm |
| 3 |
0.63-0.69μm |
| 4 |
0.77-0.89μm |
| Items |
parameter |
| Orbital height |
506 km |
| Satellite weight |
2639 kg |
| Orbital inclination |
97.716° |
| Equator crossing time |
10:30AM |
| Orbital type |
sun synchronous |
| Mission duration |
5 years |
| Return cycle |
59 days |
Satellite profile
- The satellite(GF-1) provides imagery at
- 2 m PAN
- 8 m MSI
- 16 m MSI
- With the most advanced technology, GF-1 imagery has just been tested and confirmed to distribute since the beginning of 2014. and the series GF-2 will come soon.
- Designed life: 5-8 years
- 16 m MSI with super width of 800 km.
The key technology
- With 2 cameras of 2m PAN/8 m MSI and 4 cameras of 16m MSI
- Optical remote sending tech. by combining high spatial resolution, MSI, high time resolution together.
Multi-load image mosaic tech, high resolution, high precision, high stable controlling tech.
| Parameters |
2m PAN/8m MSI camera |
16m MSI camera |
| Spectra |
PAN |
0.45-0.90μm |
|
| MSI |
0.45-0.52μm |
0.45-0.52μm |
| 0.52-0.59μm |
0.52-0.59μm |
| 0.63-0.69μm |
0.63-0.69μm |
| 0.77-0.89μm |
0.77-0.89μm |
| Resolution |
PAN |
2m |
16m |
| MSI |
8m |
| Width |
60km |
800km |
| Revisit period (side-sway） |
4 days |
|
| Cover period(no side-sway) |
41 days |
4 days |
| Satellite orbit and operating paremeters |
| Parameters |
Index |
| Orbital type |
Sun synchromous |
| Orbital height |
645km |
| Angle |
98.0506° |
| Shooting time |
0.4375 |
| Side-sway |
±25°,≦200s, ±35°rolling for emergency |
Satellite profile
- The satellite(ZY-1 02C）provides imagery at
- 2 m PAN
- 5 m PAN
- 10 m MSI
- The first high resolution satellite in China with rich archival data
| Parameters |
P/MS camera |
HR camera |
| Spectral region |
PAN |
B1:0.51-0.85μm |
0.50μm-0.80μm |
| MSI |
B2:0.52-0.59μm |
| B3:0.63-0.69μm |
| B4:0.77-0.89μm |
| Resolution |
PAN |
5m |
2.36m |
| MSI |
10m |
| Width |
60km |
54km |
| Side sway ability |
±32° |
±25° |
| Revisit period |
3-5 days |
3-5 days |
| Cover period |
55 days |
55 days |