System Data (As at 1 January 2661)
| Orbit (In AUs) | Name | UPP | Remarks | |
| Primary | Lalande 21185 | M2V | ||
| 0.09 | Latiffa | Y300000-0 | ||
| 0.39 | Frida | Y100000-0 | ||
| 0.69 | Sharra | Y8A2000-0 | ||
| 1.29 | Lalande Belt | Y000000-0 | ||
| 2.49 | Percival | Gas Giant | Size 85 | |
| 1 | Ring System | YR00000-0 | ||
| 9 | Tristan | YS00000-0 | ||
| 13 | Ivanhoe | Y200000-0 | ||
| 22 | Galahad | Y310000-0 | ||
| 25 | Gawain | YS00000-0 | ||
| 4.89 | Outer Belt | Y000000-0 | ||
| 9.70 | Kai | Gas Giant | Size 100 | |
| 1 | Ring System | YR00000-0 | ||
| 6 | Mordred | G6A0312-9 | ||
| 14 | Isolde | Y100000-0 | ||
| 25 | Bedwyr | Y100000-0 | ||
| 19.30 | Gwynifar | Gas Giant | Size 86 | |
| 10 | Nigel | Y6A0000-0 | ||
| 14 | Mab | Y200000-0 | ||
| 25 | Lancelot | Y5A0000-0 | ||
| * | 29 | Lyon | D5A0314-A N | De Lo Ni |
| 33 | Grail | Y100000-0 |