| Primary satellite | Secondary satellite |
| Name | SR | COSMOS 2251 DEB |
| Spacetrack catalog number | 46 | 33823 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2026 Jan 19 09:52 | 2026 Jan 19 05:49 |
| Time of closest approach (UTC) | 2025 Dec 10 12:29:06.554 |
| Minimum distance | 116.401 km |
| Height difference | 2.696 km |
| Relative speed | 12.758 km/s |
| Angle between velocity vectors | 118° |
| Geographic position | 48.4°S, 86.8°E |
| Height | 810 km |
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