| Primary satellite | Secondary satellite |
| Name | Tiros 1 despin weight | LEMUR 2 JOEL |
| Spacetrack catalog number | 115 | 40932 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2021 Mar 07 10:40 | 2021 Mar 06 06:52 |
| Time of closest approach (UTC) | 2021 Jan 26 12:16:30.184 |
| Minimum distance | 39.942 km |
| Height difference | -1.087 km |
| Relative speed | 6.538 km/s |
| Angle between velocity vectors | 51° |
| Geographic position | 4.8°N, 24.2°W |
| Height | 637 km |
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