| Primary satellite | Secondary satellite |
| Name | THORAD AGENA D DEB | Polar BEAR P87-1 |
| Spacetrack catalog number | 42521 | 17070 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 20 12:55 | 2024 Dec 23 03:16 |
| Time of closest approach (UTC) | 2024 Dec 29 21:42:27.902 |
| Minimum distance | 2.396 km |
| Height difference | 0.003 km |
| Relative speed | 14.640 km/s |
| Angle between velocity vectors | 165° |
| Geographic position | 48.8°N, 47.2°W |
| Height | 966 km |
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