| 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 14 12:38 | 2022 Aug 14 07:15 |
| Time of closest approach (UTC) | 2022 Jul 04 12:40:21.401 |
| Minimum distance | 549.601 km |
| Height difference | 9.756 km |
| Relative speed | 15.023 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 21.3°S, 142.1°E |
| Height | 629 km |
|