| Primary satellite | Secondary satellite |
| Name | DELTA 2 R/B (1) | COSMOS 2251 DEB |
| Spacetrack catalog number | 27665 | 35884 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 Jul 03 04:14 | 2022 Jul 02 01:16 |
| Time of closest approach (UTC) | 2022 May 20 10:57:17.527 |
| Minimum distance | 286.750 km |
| Height difference | 3.114 km |
| Relative speed | 12.451 km/s |
| Angle between velocity vectors | 113° |
| Geographic position | 9.3°N, 78.2°W |
| Height | 792 km |
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