| Primary satellite | Secondary satellite |
| Name | ARGOS Delta rocket | deb S5M |
| Spacetrack catalog number | 25637 | 25227 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 05 20:21 | 2021 Mar 06 03:52 |
| Time of closest approach (UTC) | 2021 Jan 21 19:07:05.541 |
| Minimum distance | 0.392 km |
| Height difference | -0.089 km |
| Relative speed | 14.783 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 72.9°S, 103.5°E |
| Height | 859 km |
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