| Primary satellite | Secondary satellite |
| Name | SJ 16-02 | deb Kosmos-1141 |
| Spacetrack catalog number | 41634 | 11587 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Jul 10 05:11 | 2024 Nov 17 20:34 |
| Time of closest approach (UTC) | 2024 Jun 20 13:29:55.407 |
| Minimum distance | 6758.168 km |
| Height difference | 82.803 km |
| Relative speed | 13.358 km/s |
| Angle between velocity vectors | 125° |
| Geographic position | 50.6°S, 61.3°W |
| Height | 617 km |
|