| Primary satellite | Secondary satellite |
| Name | Terra | COSMOS 2251 DEB |
| Spacetrack catalog number | 25994 | 33984 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Nov 16 18:51 | 2025 Nov 16 12:20 |
| Time of closest approach (UTC) | 2025 Oct 13 17:50:40.732 |
| Minimum distance | 192.005 km |
| Height difference | -4.258 km |
| Relative speed | 13.202 km/s |
| Angle between velocity vectors | 123° |
| Geographic position | 72.6°N, 103.1°W |
| Height | 705 km |
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