| Primary satellite | Secondary satellite |
| Name | Cosmos 1937 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 19039 | 34615 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Sep 09 08:40 | 2024 Sep 09 03:10 |
| Time of closest approach (UTC) | 2024 Aug 16 06:45:08.170 |
| Minimum distance | 12.584 km |
| Height difference | -3.612 km |
| Relative speed | 14.421 km/s |
| Angle between velocity vectors | 146° |
| Geographic position | 17.7°S, 83.0°W |
| Height | 783 km |
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