| Primary satellite | Secondary satellite |
| Name | Cosmos 1400 Rocket | deb Agena D |
| Spacetrack catalog number | 13403 | 5165 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 09 02:06 | 2021 Mar 08 18:32 |
| Time of closest approach (UTC) | 2021 Jan 21 18:28:18.828 |
| Minimum distance | 163.618 km |
| Height difference | 1.732 km |
| Relative speed | 13.471 km/s |
| Angle between velocity vectors | 126° |
| Geographic position | 78.7°N, 66.5°W |
| Height | 581 km |
|