| Primary satellite | Secondary satellite |
| Name | Cosmos 923 Rocket | NOAA 16 DEB |
| Spacetrack catalog number | 10121 | 41130 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Jul 12 12:37 | 2025 Jul 12 19:43 |
| Time of closest approach (UTC) | 2025 Jun 21 20:04:27.013 |
| Minimum distance | 3.866 km |
| Height difference | 1.204 km |
| Relative speed | 14.389 km/s |
| Angle between velocity vectors | 150° |
| Geographic position | 71.3°S, 107.5°W |
| Height | 802 km |
|