| Primary satellite | Secondary satellite |
| Name | SPIRIT III Cover | deb Kosmos-1275 |
| Spacetrack catalog number | 23859 | 12780 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 18:53 | 2024 Dec 23 09:11 |
| Time of closest approach (UTC) | 2024 Dec 29 18:20:49.710 |
| Minimum distance | 3.806 km |
| Height difference | -2.134 km |
| Relative speed | 14.740 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 57.4°S, 96.0°E |
| Height | 946 km |
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