| Primary satellite | Secondary satellite |
| Name | NPP | METEOR 1-5 DEB |
| Spacetrack catalog number | 37849 | 58397 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2026 Jan 20 07:40 | 2026 Jan 20 00:50 |
| Time of closest approach (UTC) | 2025 Dec 20 18:47:19.203 |
| Minimum distance | 8.975 km |
| Height difference | 3.088 km |
| Relative speed | 12.924 km/s |
| Angle between velocity vectors | 121° |
| Geographic position | 80.0°S, 18.9°W |
| Height | 856 km |
|