| Primary satellite | Secondary satellite |
| Name | Cosmos 1634 Rocket | SCOUT B DEB |
| Spacetrack catalog number | 15598 | 29277 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 15 19:05 | 2021 Jan 14 09:20 |
| Time of closest approach (UTC) | 2020 Dec 03 22:15:37.623 |
| Minimum distance | 360.094 km |
| Height difference | -7.585 km |
| Relative speed | 6.443 km/s |
| Angle between velocity vectors | 52° |
| Geographic position | 81.5°N, 36.0°W |
| Height | 985 km |
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