| Primary satellite | Secondary satellite |
| Name | ESTCUBE 1 | deb Kosmos-886 |
| Spacetrack catalog number | 39161 | 19475 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2025 Jan 19 04:13 | 2025 Jan 18 06:01 |
| Time of closest approach (UTC) | 2024 Dec 11 14:55:30.520 |
| Minimum distance | 483.662 km |
| Height difference | 8.544 km |
| Relative speed | 12.395 km/s |
| Angle between velocity vectors | 108° |
| Geographic position | 62.8°N, 61.6°W |
| Height | 647 km |
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