| Primary satellite | Secondary satellite |
| Name | Transit 2A Rocket | COSMOS 1249 COOLANT |
| Spacetrack catalog number | 47 | 26510 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Oct 11 20:20 | 2024 Oct 08 23:39 |
| Time of closest approach (UTC) | 2024 Sep 16 13:48:24.408 |
| Minimum distance | 108.514 km |
| Height difference | 1.037 km |
| Relative speed | 11.886 km/s |
| Angle between velocity vectors | 108° |
| Geographic position | 46.8°N, 145.5°E |
| Height | 909 km |
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