| Primary satellite | Secondary satellite |
| Name | Sapphire | COSMOS 1867 COOLANT |
| Spacetrack catalog number | 26932 | 39659 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:18 | 2024 Dec 18 21:55 |
| Time of closest approach (UTC) | 2024 Dec 24 15:48:19.141 |
| Minimum distance | 4.276 km |
| Height difference | -3.788 km |
| Relative speed | 11.982 km/s |
| Angle between velocity vectors | 107° |
| Geographic position | 47.1°N, 97.3°W |
| Height | 800 km |
|