| Primary satellite | Secondary satellite |
| Name | Sapphire | deb Kosmos-249 |
| Spacetrack catalog number | 26932 | 15775 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:18 | 2024 Dec 23 07:58 |
| Time of closest approach (UTC) | 2024 Dec 25 14:49:27.164 |
| Minimum distance | 1.686 km |
| Height difference | -1.681 km |
| Relative speed | 12.327 km/s |
| Angle between velocity vectors | 109° |
| Geographic position | 42.7°S, 135.8°W |
| Height | 800 km |
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