| Primary satellite | Secondary satellite |
| Name | M-CUBED/EXP-1 PRIME | ERS 1 DEB |
| Spacetrack catalog number | 37855 | 35261 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Jan 29 22:27 | 2023 Jan 29 21:43 |
| Time of closest approach (UTC) | 2022 Dec 07 01:34:22.578 |
| Minimum distance | 4015.369 km |
| Height difference | 44.993 km |
| Relative speed | 14.947 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 2.3°S, 93.4°E |
| Height | 525 km |
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