| 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 18:24:10.468 |
| Minimum distance | 2.287 km |
| Height difference | 1.228 km |
| Relative speed | 14.383 km/s |
| Angle between velocity vectors | 150° |
| Geographic position | 71.4°S, 82.6°W |
| Height | 802 km |
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