| Primary satellite | Secondary satellite |
| Name | STARS | COSMOS 2251 DEB |
| Spacetrack catalog number | 33498 | 33796 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2022 Aug 18 22:05 | 2022 Aug 18 22:55 |
| Time of closest approach (UTC) | 2022 Jul 04 13:57:49.735 |
| Minimum distance | 1347.215 km |
| Height difference | 42.275 km |
| Relative speed | 15.052 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 49.8°N, 135.6°E |
| Height | 634 km |
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