| Primary satellite | Secondary satellite |
| Name | THORAD AGENA D DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 42521 | 14405 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 12:55 | 2024 Dec 22 08:45 |
| Time of closest approach (UTC) | 2024 Dec 26 18:12:19.378 |
| Minimum distance | 4.352 km |
| Height difference | 3.463 km |
| Relative speed | 11.864 km/s |
| Angle between velocity vectors | 108° |
| Geographic position | 79.3°S, 85.1°E |
| Height | 1004 km |
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