| Primary satellite | Secondary satellite |
| Name | ARGOS | FENGYUN 1C DEB |
| Spacetrack catalog number | 25634 | 29876 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 29 13:55 | 2023 Sep 29 11:23 |
| Time of closest approach (UTC) | 2023 Jun 02 05:28:43.927 |
| Minimum distance | 660.378 km |
| Height difference | 3.291 km |
| Relative speed | 10.098 km/s |
| Angle between velocity vectors | 86° |
| Geographic position | 75.9°S, 34.2°W |
| Height | 860 km |
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