| 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 08 13:21 | 2021 Mar 08 18:32 |
| Time of closest approach (UTC) | 2021 Jan 21 18:28:20.208 |
| Minimum distance | 154.093 km |
| Height difference | 1.735 km |
| Relative speed | 13.471 km/s |
| Angle between velocity vectors | 126° |
| Geographic position | 78.8°N, 66.9°W |
| Height | 581 km |
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