| Primary satellite | Secondary satellite |
| Name | Cosmos 1707 | SWARM B |
| Spacetrack catalog number | 16326 | 39451 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Dec 10 15:49 | 2023 Dec 10 21:11 |
| Time of closest approach (UTC) | 2023 Sep 29 12:25:30.556 |
| Minimum distance | 886.413 km |
| Height difference | 10.949 km |
| Relative speed | 15.176 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 7.2°S, 93.4°E |
| Height | 501 km |
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