| Primary satellite | Secondary satellite |
| Name | NOAA 16 DEB | deb Kosmos-990 |
| Spacetrack catalog number | 42373 | 18501 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 14:02 | 2024 Dec 22 03:49 |
| Time of closest approach (UTC) | 2024 Dec 26 15:00:11.608 |
| Minimum distance | 3.549 km |
| Height difference | 2.911 km |
| Relative speed | 15.014 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 22.4°S, 138.2°E |
| Height | 653 km |
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