System Data (As at 1 January 2661)
| Orbit (In AUs) | Name | UPP | Remarks | |
| Primary | GJ 725 A (Struve 2398 A) | M3V | ||
| 0.125 | Inner Belt | Y000000-0 | ||
| 0.163 | Luronne | FB52736-9 | ||
| *0.212 | Dunois | B653838-A N | Po | |
| 0.605 | Delvene | Y510000-0 | ||
| 0.786 | Kersaint | Y4A6000-0 | ||
| 2.246 | Outer Belt | Y000000-0 | ||
|   | ||||
| Companion | GJ 725 B (Struve 2398 B) | M3.5V | Flare Star | |
| 0.042 | Gabion Belt | Y000000-0 | ||
| 0.401 | Danning | GS00435-9 | ||
| 10.396 | Voltigeur | Y6A3000-0 | ||
| 13.517 | Temeraire Belt | Y000000-0 |