| Primary satellite | Secondary satellite |
| Name | STARS | COSMOS 2251 DEB |
| Spacetrack catalog number | 33498 | 34850 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2022 Aug 14 12:38 | 2022 Aug 14 12:48 |
| Time of closest approach (UTC) | 2022 Jul 03 03:48:20.666 |
| Minimum distance | 1747.817 km |
| Height difference | -6.773 km |
| Relative speed | 7.025 km/s |
| Angle between velocity vectors | 55° |
| Geographic position | 69.5°N, 59.4°W |
| Height | 642 km |
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