| Primary satellite | Secondary satellite |
| Name | Cosmos 44 | COSMOS 2251 DEB |
| Spacetrack catalog number | 876 | 37995 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 May 20 10:55 | 2022 May 20 12:13 |
| Time of closest approach (UTC) | 2022 Jan 20 07:49:36.050 |
| Minimum distance | 3976.811 km |
| Height difference | -25.378 km |
| Relative speed | 14.797 km/s |
| Angle between velocity vectors | 156° |
| Geographic position | 43.8°S, 0.8°E |
| Height | 641 km |
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