| 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 02 23:28:06.489 |
| Minimum distance | 9.115 km |
| Height difference | -0.572 km |
| Relative speed | 14.212 km/s |
| Angle between velocity vectors | 141° |
| Geographic position | 81.8°S, 87.6°E |
| Height | 645 km |
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