| Primary satellite | Secondary satellite |
| Name | Cosmos 540 Rocket | NOAA 16 DEB |
| Spacetrack catalog number | 6324 | 41348 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Dec 11 02:26 | 2025 Dec 10 18:43 |
| Time of closest approach (UTC) | 2024 Nov 14 19:54:56.329 |
| Minimum distance | 5015.853 km |
| Height difference | -49.118 km |
| Relative speed | 10.281 km/s |
| Angle between velocity vectors | 86° |
| Geographic position | 71.0°S, 8.0°E |
| Height | 763 km |
|