| Primary satellite | Secondary satellite |
| Name | deb AGENA D | COSMOS 2251 DEB |
| Spacetrack catalog number | 19150 | 37486 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 19:41 | 2024 Dec 22 11:14 |
| Time of closest approach (UTC) | 2024 Dec 26 16:37:46.145 |
| Minimum distance | 1.716 km |
| Height difference | 1.535 km |
| Relative speed | 14.791 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 34.0°S, 127.2°W |
| Height | 875 km |
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