| Primary satellite | Secondary satellite |
| Name | Sapphire | COSMOS 2251 DEB |
| Spacetrack catalog number | 26932 | 37280 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:18 | 2024 Dec 20 05:10 |
| Time of closest approach (UTC) | 2024 Dec 24 03:31:45.070 |
| Minimum distance | 0.386 km |
| Height difference | 0.371 km |
| Relative speed | 12.193 km/s |
| Angle between velocity vectors | 109° |
| Geographic position | 54.7°S, 25.2°E |
| Height | 804 km |
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