| Primary satellite | Secondary satellite |
| Name | Cosmos 1943 | COSMOS 2251 DEB |
| Spacetrack catalog number | 19119 | 35062 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Jan 28 16:00 | 2023 Jan 28 08:14 |
| Time of closest approach (UTC) | 2022 Dec 03 23:01:02.103 |
| Minimum distance | 1724.417 km |
| Height difference | 14.212 km |
| Relative speed | 3.091 km/s |
| Angle between velocity vectors | 24° |
| Geographic position | 71.0°N, 93.6°W |
| Height | 862 km |
|