| Primary satellite | Secondary satellite |
| Name | NPP | NOAA 16 DEB |
| Spacetrack catalog number | 37849 | 41667 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2026 Jan 20 07:40 | 2026 Jan 17 12:14 |
| Time of closest approach (UTC) | 2025 Dec 20 04:10:33.435 |
| Minimum distance | 45.425 km |
| Height difference | 0.875 km |
| Relative speed | 14.535 km/s |
| Angle between velocity vectors | 156° |
| Geographic position | 44.6°N, 131.1°E |
| Height | 834 km |
|