| Primary satellite | Secondary satellite |
| Name | Sapphire | COSMOS 1867 COOLANT |
| Spacetrack catalog number | 26932 | 39665 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:18 | 2024 Dec 22 06:22 |
| Time of closest approach (UTC) | 2024 Dec 26 19:48:43.920 |
| Minimum distance | 4.736 km |
| Height difference | -2.689 km |
| Relative speed | 11.811 km/s |
| Angle between velocity vectors | 105° |
| Geographic position | 48.4°N, 163.7°W |
| Height | 801 km |
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