| Primary satellite | Secondary satellite |
| Name | DELTA 2 R/B (1) | COSMOS 2251 DEB |
| Spacetrack catalog number | 27665 | 34582 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 Jul 04 10:30 | 2022 Jul 03 18:07 |
| Time of closest approach (UTC) | 2022 May 23 13:42:45.279 |
| Minimum distance | 123.336 km |
| Height difference | -3.328 km |
| Relative speed | 11.982 km/s |
| Angle between velocity vectors | 107° |
| Geographic position | 21.7°S, 58.8°E |
| Height | 804 km |
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