| Primary satellite | Secondary satellite |
| Name | DMSP 5D-2 F13 DEB | Cosmos 990 |
| Spacetrack catalog number | 40462 | 10676 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 11:51 | 2024 Dec 22 16:09 |
| Time of closest approach (UTC) | 2024 Dec 27 13:39:32.585 |
| Minimum distance | 69.125 km |
| Height difference | 0.180 km |
| Relative speed | 6.376 km/s |
| Angle between velocity vectors | 50° |
| Geographic position | 59.2°N, 92.7°W |
| Height | 771 km |
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