| Primary satellite | Secondary satellite |
| Name | Spot 1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 16613 | 34750 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Dec 06 14:43 | 2023 Dec 06 11:36 |
| Time of closest approach (UTC) | 2023 Sep 26 22:12:13.077 |
| Minimum distance | 965.975 km |
| Height difference | -10.654 km |
| Relative speed | 14.580 km/s |
| Angle between velocity vectors | 158° |
| Geographic position | 49.9°S, 157.1°E |
| Height | 789 km |
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