| Primary satellite | Secondary satellite |
| Name | SL-14 R/B | LEMUR 2 MARSHALL |
| Spacetrack catalog number | 33505 | 43165 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 22 16:34 | 2021 Jan 22 12:32 |
| Time of closest approach (UTC) | 2020 Dec 02 13:28:18.811 |
| Minimum distance | 44.912 km |
| Height difference | -2.254 km |
| Relative speed | 15.056 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 28.0°N, 33.1°W |
| Height | 522 km |
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