| Primary satellite | Secondary satellite |
| Name | THORAD AGENA D DEB | Cosmos 1428 Rocket |
| Spacetrack catalog number | 42521 | 13758 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 20 12:55 | 2024 Dec 23 07:03 |
| Time of closest approach (UTC) | 2024 Dec 24 10:38:12.857 |
| Minimum distance | 4.392 km |
| Height difference | -2.199 km |
| Relative speed | 4.100 km/s |
| Angle between velocity vectors | 32° |
| Geographic position | 58.0°S, 146.4°E |
| Height | 999 km |
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