| Primary satellite | Secondary satellite |
| Name | Cosmos 2366 rocket | Kosmos-994 |
| Spacetrack catalog number | 25893 | 10731 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Apr 13 04:14 | 2021 Apr 13 02:04 |
| Time of closest approach (UTC) | 2021 Mar 02 06:01:54.284 |
| Minimum distance | 22.262 km |
| Height difference | 4.493 km |
| Relative speed | 10.458 km/s |
| Angle between velocity vectors | 91° |
| Geographic position | 79.9°N, 110.5°W |
| Height | 1011 km |
|