| Primary satellite | Secondary satellite |
| Name | SeaSat 1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 10967 | 34875 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2026 Jan 19 15:50 | 2026 Jan 19 15:12 |
| Time of closest approach (UTC) | 2025 Dec 19 11:33:30.488 |
| Minimum distance | 9.573 km |
| Height difference | 0.693 km |
| Relative speed | 14.927 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 67.6°N, 72.8°W |
| Height | 750 km |
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