| Primary satellite | Secondary satellite |
| Name | deb Kosmos-839 | Kosmos-1527 |
| Spacetrack catalog number | 10617 | 14616 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 10:18 | 2024 Dec 23 04:47 |
| Time of closest approach (UTC) | 2024 Dec 24 16:11:45.978 |
| Minimum distance | 3.619 km |
| Height difference | -3.597 km |
| Relative speed | 12.535 km/s |
| Angle between velocity vectors | 123° |
| Geographic position | 43.7°S, 85.0°W |
| Height | 1479 km |
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