| Primary satellite | Secondary satellite |
| Name | Transit 2A Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 47 | 35032 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Sep 10 17:55 | 2024 Sep 10 20:13 |
| Time of closest approach (UTC) | 2024 Aug 12 10:32:15.110 |
| Minimum distance | 223.886 km |
| Height difference | 6.862 km |
| Relative speed | 14.100 km/s |
| Angle between velocity vectors | 138° |
| Geographic position | 21.7°S, 73.7°W |
| Height | 677 km |
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