| Primary satellite | Secondary satellite |
| Name | EO-79 | COSMOS 2251 DEB |
| Spacetrack catalog number | 40025 | 35019 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Jan 26 12:34 | 2023 Jan 25 13:38 |
| Time of closest approach (UTC) | 2022 Nov 30 21:56:00.567 |
| Minimum distance | 1128.630 km |
| Height difference | -38.966 km |
| Relative speed | 15.149 km/s |
| Angle between velocity vectors | 180° |
| Geographic position | 58.3°N, 138.0°W |
| Height | 616 km |
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