| Primary satellite | Secondary satellite |
| Name | Cosmos 2142 Rocket | deb Agena D |
| Spacetrack catalog number | 21231 | 4689 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 18:58 | 2024 Dec 23 03:35 |
| Time of closest approach (UTC) | 2024 Dec 29 03:59:04.033 |
| Minimum distance | 4.347 km |
| Height difference | 3.138 km |
| Relative speed | 2.955 km/s |
| Angle between velocity vectors | 23° |
| Geographic position | 44.8°S, 64.9°E |
| Height | 1017 km |
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