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BD C31
Launch Details
| Launched | 29 March 2015 |
| Flight ended | – |
| Status | Spare |
| Launch site | Xichang Launch Facility, PRC |
| Owner | People's Republic of China |
| NORAD ID | 40549 |
| COSPAR ID | 2015-019A |
| Alternative names |
BEIDOU-3S IGSO-1S BEIDOU 17 BEIDOU I1-S SVN C101 |
| Observing |
Current orbital elements
| Inclination | 49.645° |
| Eccentricity | 0.00405 |
| RA ascending node | 19.887 hr |
| Argument perigee | 197.620° |
| Mean anomaly | 177.440° |
| Orbital period | 1436.386 min |
| Epoch of osculation | 24 Oct 2025, 12:41 |