| Primary satellite | Secondary satellite |
| Name | STARS | Cosmos 1633 Rocket |
| Spacetrack catalog number | 33498 | 15593 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2023 May 29 04:05 | 2023 May 29 04:06 |
| Time of closest approach (UTC) | 2023 Mar 27 12:32:22.819 |
| Minimum distance | 932.520 km |
| Height difference | 4.968 km |
| Relative speed | 11.707 km/s |
| Angle between velocity vectors | 102° |
| Geographic position | 81.9°N, 114.9°W |
| Height | 632 km |
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