| Primary satellite | Secondary satellite |
| Name | Tiros 1 | COSMOS 2535 DEB |
| Spacetrack catalog number | 29 | 44640 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Jan 17 16:32 | 2021 Jan 17 20:23 |
| Time of closest approach (UTC) | 2020 Nov 30 01:14:32.320 |
| Minimum distance | 17.057 km |
| Height difference | 6.766 km |
| Relative speed | 13.276 km/s |
| Angle between velocity vectors | 124° |
| Geographic position | 44.0°N, 79.5°W |
| Height | 656 km |
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