| Primary satellite | Secondary satellite |
| Name | Transit 2A Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 47 | 36047 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Oct 11 20:20 | 2024 Oct 10 18:36 |
| Time of closest approach (UTC) | 2024 Sep 15 05:11:02.114 |
| Minimum distance | 540.413 km |
| Height difference | -25.476 km |
| Relative speed | 14.198 km/s |
| Angle between velocity vectors | 140° |
| Geographic position | 4.9°S, 74.7°E |
| Height | 674 km |
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