| Primary satellite | Secondary satellite |
| Name | Okean 1 Rocket | APRIZESAT 3 |
| Spacetrack catalog number | 19275 | 35686 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Jan 15 17:22 | 2021 Jan 15 18:35 |
| Time of closest approach (UTC) | 2020 Dec 06 13:00:58.535 |
| Minimum distance | 6.823 km |
| Height difference | 6.814 km |
| Relative speed | 15.047 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 23.8°S, 136.2°E |
| Height | 640 km |
|