| Primary satellite | Secondary satellite |
| Name | GPS 2-15 Rocket1 | Okean 1 Rocket |
| Spacetrack catalog number | 22109 | 19275 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Apr 10 12:16 | 2021 Apr 10 13:11 |
| Time of closest approach (UTC) | 2021 Mar 01 05:29:02.773 |
| Minimum distance | 26.694 km |
| Height difference | -2.655 km |
| Relative speed | 11.757 km/s |
| Angle between velocity vectors | 102° |
| Geographic position | 1.0°N, 82.8°E |
| Height | 630 km |
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