| Primary satellite | Secondary satellite |
| Name | Tiros 1 | deb Agena D |
| Spacetrack catalog number | 29 | 4276 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Apr 13 00:15 | 2021 Apr 11 21:11 |
| Time of closest approach (UTC) | 2021 Mar 10 04:50:58.053 |
| Minimum distance | 11.956 km |
| Height difference | -0.532 km |
| Relative speed | 12.083 km/s |
| Angle between velocity vectors | 107° |
| Geographic position | 30.3°N, 75.2°W |
| Height | 655 km |
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