| Primary satellite | Secondary satellite |
| Name | GEOS 3 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 7735 | 35701 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Sep 17 22:25 | 2024 Sep 08 14:39 |
| Time of closest approach (UTC) | 2024 Aug 13 23:07:43.277 |
| Minimum distance | 59.516 km |
| Height difference | -1.637 km |
| Relative speed | 14.845 km/s |
| Angle between velocity vectors | 165° |
| Geographic position | 47.5°S, 69.9°E |
| Height | 820 km |
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