| Primary satellite | Secondary satellite |
| Name | ARGOS Delta rocket | CZ-4C DEB |
| Spacetrack catalog number | 25637 | 44616 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 05 20:21 | 2021 Mar 04 12:13 |
| Time of closest approach (UTC) | 2021 Jan 18 13:56:54.497 |
| Minimum distance | 37.446 km |
| Height difference | 2.418 km |
| Relative speed | 12.409 km/s |
| Angle between velocity vectors | 110° |
| Geographic position | 77.1°N, 6.4°W |
| Height | 651 km |
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