| Primary satellite | Secondary satellite |
| Name | Terra | COSMOS 2251 DEB |
| Spacetrack catalog number | 25994 | 33936 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Jul 08 21:37 | 2025 Jul 08 20:51 |
| Time of closest approach (UTC) | 2024 Jun 21 13:50:04.940 |
| Minimum distance | 7774.671 km |
| Height difference | 1.234 km |
| Relative speed | 14.683 km/s |
| Angle between velocity vectors | 156° |
| Geographic position | 34.7°S, 65.3°W |
| Height | 705 km |
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