| Primary satellite | Secondary satellite |
| Name | Cosmos 2142 Rocket | CZ-4C DEB |
| Spacetrack catalog number | 21231 | 39231 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 18:58 | 2024 Dec 22 09:00 |
| Time of closest approach (UTC) | 2024 Dec 26 15:20:32.986 |
| Minimum distance | 0.790 km |
| Height difference | 0.423 km |
| Relative speed | 14.679 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 44.8°N, 87.1°W |
| Height | 972 km |
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