| Primary satellite | Secondary satellite |
| Name | Tiros 1 | RESURS 01 DEB |
| Spacetrack catalog number | 29 | 46893 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Mar 03 13:15 | 2021 Mar 01 14:25 |
| Time of closest approach (UTC) | 2021 Jan 21 21:43:28.170 |
| Minimum distance | 8.798 km |
| Height difference | 0.849 km |
| Relative speed | 10.225 km/s |
| Angle between velocity vectors | 85° |
| Geographic position | 46.4°N, 21.7°W |
| Height | 635 km |
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