| Primary satellite | Secondary satellite |
| Name | Gbstr 26 Del rocket | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 25876 | 40466 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 14 22:12 | 2021 Jan 14 09:10 |
| Time of closest approach (UTC) | 2020 Dec 06 20:53:32.695 |
| Minimum distance | 199.622 km |
| Height difference | 0.390 km |
| Relative speed | 7.506 km/s |
| Angle between velocity vectors | 60° |
| Geographic position | 36.1°N, 4.9°W |
| Height | 786 km |
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