| Primary satellite | Secondary satellite |
| Name | Cosmos 1666 | CAPELLA-7-WHITNEY |
| Spacetrack catalog number | 15889 | 51072 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2022 Jul 06 10:55 | 2022 Jul 05 20:12 |
| Time of closest approach (UTC) | 2022 May 24 18:33:35.727 |
| Minimum distance | 3376.234 km |
| Height difference | 14.977 km |
| Relative speed | 15.216 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 3.0°N, 156.3°W |
| Height | 506 km |
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