| 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 13 13:55 | 2022 Aug 13 13:27 |
| Time of closest approach (UTC) | 2022 Jul 04 12:40:31.944 |
| Minimum distance | 529.416 km |
| Height difference | 9.220 km |
| Relative speed | 15.022 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 22.2°S, 141.9°E |
| Height | 629 km |
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