| Primary satellite | Secondary satellite |
| Name | Lacrosse 5 rocket | LEMUR 2 EJATTA |
| Spacetrack catalog number | 28647 | 44405 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 15 22:51 | 2021 Jan 15 18:35 |
| Time of closest approach (UTC) | 2020 Nov 29 00:49:17.392 |
| Minimum distance | 45.077 km |
| Height difference | 3.101 km |
| Relative speed | 5.281 km/s |
| Angle between velocity vectors | 41° |
| Geographic position | 3.2°N, 147.6°W |
| Height | 525 km |
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