| Primary satellite | Secondary satellite |
| Name | Cosmos 1782 Rocket | DELTA 1 DEB |
| Spacetrack catalog number | 16987 | 44568 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 21 21:11 | 2021 Jan 21 01:58 |
| Time of closest approach (UTC) | 2020 Dec 07 13:58:50.297 |
| Minimum distance | 2.241 km |
| Height difference | 0.922 km |
| Relative speed | 15.069 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 42.3°S, 91.8°W |
| Height | 634 km |
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