| Primary satellite | Secondary satellite |
| Name | EO-79 | Cosmos 660 |
| Spacetrack catalog number | 40025 | 7337 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2022 Jun 29 13:00 | 2022 Jun 29 14:30 |
| Time of closest approach (UTC) | 2022 May 21 11:58:24.763 |
| Minimum distance | 1656.192 km |
| Height difference | -31.569 km |
| Relative speed | 3.322 km/s |
| Angle between velocity vectors | 25° |
| Geographic position | 29.6°N, 155.5°W |
| Height | 591 km |
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