| Primary satellite | Secondary satellite |
| Name | THORAD AGENA D DEB | Cosmos 1634 Rocket |
| Spacetrack catalog number | 42521 | 15598 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 20 12:55 | 2024 Dec 23 04:00 |
| Time of closest approach (UTC) | 2024 Dec 28 17:14:03.547 |
| Minimum distance | 4.095 km |
| Height difference | -3.964 km |
| Relative speed | 14.582 km/s |
| Angle between velocity vectors | 166° |
| Geographic position | 75.4°S, 73.8°E |
| Height | 1004 km |
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