| Primary satellite | Secondary satellite |
| Name | STARS | COSMOS 2251 DEB |
| Spacetrack catalog number | 33498 | 35279 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2022 Aug 14 12:38 | 2022 Aug 14 07:18 |
| Time of closest approach (UTC) | 2022 Jul 08 11:00:54.170 |
| Minimum distance | 287.106 km |
| Height difference | 0.495 km |
| Relative speed | 13.562 km/s |
| Angle between velocity vectors | 129° |
| Geographic position | 71.6°S, 144.9°E |
| Height | 652 km |
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