| Primary satellite | Secondary satellite |
| Name | DELTA 1 DEB | Cosmos 2150 |
| Spacetrack catalog number | 37651 | 21418 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2025 Nov 14 12:59 | 2025 Nov 17 06:03 |
| Time of closest approach (UTC) | 2025 Oct 16 23:29:53.602 |
| Minimum distance | 49.205 km |
| Height difference | -1.514 km |
| Relative speed | 14.835 km/s |
| Angle between velocity vectors | 166° |
| Geographic position | 57.3°N, 154.7°W |
| Height | 782 km |
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