| Primary satellite | Secondary satellite |
| Name | Cosmos 1538 Rocket | deb Agena D |
| Spacetrack catalog number | 14760 | 4171 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 11:37 | 2024 Dec 22 18:20 |
| Time of closest approach (UTC) | 2024 Dec 26 11:38:11.018 |
| Minimum distance | 2.010 km |
| Height difference | -1.383 km |
| Relative speed | 13.980 km/s |
| Angle between velocity vectors | 138° |
| Geographic position | 31.3°N, 143.3°W |
| Height | 754 km |
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