| Primary satellite | Secondary satellite |
| Name | Cosmos 1328 Rocket | DEORBITSAIL |
| Spacetrack catalog number | 12988 | 40719 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 13:29 | 2024 Dec 22 13:51 |
| Time of closest approach (UTC) | 2024 Dec 26 13:12:33.536 |
| Minimum distance | 4.731 km |
| Height difference | -2.243 km |
| Relative speed | 14.740 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 82.3°N, 175.1°W |
| Height | 610 km |
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