Table 2 Geometry dimensions of BDS satellite bus and mass
Constellation | Satellite type | Bus | Mass (kg) | X (m) | Y (m) | Z (m) | Area of solar panels (m2) | Ratio of Z/X area |
|---|---|---|---|---|---|---|---|---|
BDS-1 | GEO | DFH-3 | ~ 2200 | 2.20 | 1.72 | 2.00 | / | 0.91 |
BDS-2 | GEO | DFH-3A | ~ 2000 | 2.00 | 1.72 | 2.20 | 22.7 | 1.10 |
IGSO | DFH-3A | ~ 1280 | 2.00 | 1.72 | 2.20 | 22.7 | 1.10 | |
MEO | DFH-3A | ~ 1185 | 2.00 | 1.72 | 2.20 | 22.7 | 1.10 | |
BDS-3 | GEO | DFH-3B | ~ 2970 | 2.10 | 2.36 | 3.60 | 35.4 | 1.71 |
IGSO | DFH-3B | ~ 2910 | 2.10 | 2.36 | 3.60 | 35.4 | 1.71 | |
MEO | T-shaped (T1) | ~ 1000 | 1.68 | 1.30 | 1.30 | 20.44 | ~1.31 | |
T-shaped (T2) | 1.00 | 1.30 | 0.85 | |||||
T-shaped (SAR) | 0.85 | 1.30 | 0.00 | |||||
SECM-A | ~ 1050 | 2.55 | 1.02 | 1.51 | 10.8 | 0.59 | ||
SECM-B | ~ 1050 | 2.80 | 0.92 | 1.35 | 10.8 | 0.48 |