| Primary satellite | Secondary satellite |
| Name | Cosmos 1328 Rocket | Tiros 6 |
| Spacetrack catalog number | 12988 | 397 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Apr 13 05:20 | 2021 Apr 14 00:20 |
| Time of closest approach (UTC) | 2021 Mar 06 13:18:20.245 |
| Minimum distance | 8.301 km |
| Height difference | 0.503 km |
| Relative speed | 13.485 km/s |
| Angle between velocity vectors | 126° |
| Geographic position | 41.0°N, 118.5°W |
| Height | 609 km |
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