| Primary satellite | Secondary satellite |
| Name | deb GEOSAT 1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 15615 | 37959 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2025 Apr 17 22:30 | 2025 Apr 17 13:40 |
| Time of closest approach (UTC) | 2024 Jul 25 01:01:24.824 |
| Minimum distance | 5833.565 km |
| Height difference | -41.858 km |
| Relative speed | 8.560 km/s |
| Angle between velocity vectors | 70° |
| Geographic position | 17.7°S, 48.2°W |
| Height | 763 km |
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