| Primary satellite | Secondary satellite |
| Name | M-CUBED/EXP-1 PRIME | OBJECT N |
| Spacetrack catalog number | 37855 | 44398 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2021 Mar 05 21:11 | 2021 Mar 05 21:43 |
| Time of closest approach (UTC) | 2021 Jan 20 16:24:47.331 |
| Minimum distance | 61.282 km |
| Height difference | -0.235 km |
| Relative speed | 12.893 km/s |
| Angle between velocity vectors | 115° |
| Geographic position | 72.0°N, 178.4°W |
| Height | 523 km |
|