| Primary satellite | Secondary satellite |
| Name | Okean 2 Rocket | NEE 01 PEGASUS |
| Spacetrack catalog number | 20511 | 39151 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 15 13:04 | 2021 Jan 16 04:51 |
| Time of closest approach (UTC) | 2020 Dec 03 01:54:07.268 |
| Minimum distance | 9.096 km |
| Height difference | -0.682 km |
| Relative speed | 14.182 km/s |
| Angle between velocity vectors | 141° |
| Geographic position | 81.8°N, 129.1°W |
| Height | 655 km |
|