| Primary satellite | Secondary satellite |
| Name | ARGOS | COSMOS 2251 DEB |
| Spacetrack catalog number | 25634 | 34813 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 May 18 19:21 | 2022 May 18 03:40 |
| Time of closest approach (UTC) | 2022 Jan 19 01:05:39.566 |
| Minimum distance | 692.196 km |
| Height difference | -60.112 km |
| Relative speed | 15.041 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 19.6°N, 96.8°W |
| Height | 822 km |
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