| Primary satellite | Secondary satellite |
| Name | PRISM | COSMOS 2251 DEB |
| Spacetrack catalog number | 33493 | 33804 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2022 Aug 17 04:20 | 2022 Aug 17 04:23 |
| Time of closest approach (UTC) | 2022 Jul 08 16:18:00.552 |
| Minimum distance | 174.768 km |
| Height difference | 1.420 km |
| Relative speed | 9.846 km/s |
| Angle between velocity vectors | 81° |
| Geographic position | 69.8°S, 29.4°E |
| Height | 605 km |
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